L1 Brain Tissue
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Questions and Answers

Which of the following correctly describes the function of glial cells in the CNS?

  • They primarily function to generate action potentials.
  • They provide structural support and facilitate neurotransmission. (correct)
  • They are responsible for transmitting electrical signals between neurons.
  • They produce myelin for peripheral nerve fibers.

    • What distinguishes white matter from grey matter in the nervous system?

  • Grey matter is primarily composed of myelinated axons.
  • Grey matter consists mostly of unmyelinated axons and glial cells. (correct)
  • White matter is mainly involved in information processing.
  • White matter contains more neuronal cell bodies than grey matter.

    • Which component of the nervous system is correctly matched with its function?

  • Spinal cord - connects sensory information directly to cognitive processes.
  • Cerebrum - processes visual and auditory stimuli.
  • Cerebellum - regulates autonomic functions like heart rate.
  • Cerebellum - coordinates voluntary movements and balance. (correct)

    • Which of the following accurately describes the structure of the meninges?

    <p>They are composed of three layers: dura mater, arachnoid mater, and pia mater. (D)</p> Signup and view all the answers

    What role do ependymal cells play in the central nervous system?

    <p>They are involved in producing and circulating cerebrospinal fluid. (D)</p> Signup and view all the answers

    What characteristic appearance do oligodendrocytes exhibit under H&E stain?

    <p>Fried egg appearance with dense nuclei (C)</p> Signup and view all the answers

    Which statement accurately differentiates the function of Schwann cells and oligodendrocytes?

    <p>Schwann cells wrap around single axons, while oligodendrocytes wrap around multiple sections of axons. (D)</p> Signup and view all the answers

    Which structural feature characterizes both oligodendrocytes and astrocytes as observed under H&E stain?

    <p>Cell bodies usually not visible and focus on nuclei (C)</p> Signup and view all the answers

    What is the primary role of oligodendrocytes in the central nervous system?

    <p>Producing myelin sheaths for multiple axons (C)</p> Signup and view all the answers

    Which of the following statements about the cytoplasmic extensions of oligodendrocytes is true?

    <p>They wrap around several axons at once to form myelin sheaths. (D)</p> Signup and view all the answers

    What characterizes Betz cells in the motor cortex?

    <p>They are the largest type of pyramidal cells. (D)</p> Signup and view all the answers

    In which layers of the cerebral cortex are pyramidal cells predominantly found?

    <p>Layers 3 and 5 (B)</p> Signup and view all the answers

    Which of the following describes the molecular layer of the cerebellar cortex?

    <p>It contains dendrites and synapses among others. (C)</p> Signup and view all the answers

    What is the primary function of Purkinje cells in the cerebellum?

    <p>They help with coordinating muscular activity. (C)</p> Signup and view all the answers

    How many principal layers make up the cerebellar cortex?

    <p>Three principal layers (C)</p> Signup and view all the answers

    Which of the following statements is NOT true about pyramidal cells?

    <p>They are primarily located in the brainstem. (D)</p> Signup and view all the answers

    Which type of neurons is classified as smaller in the cerebellar cortex?

    <p>Granule neurons (B)</p> Signup and view all the answers

    What distinguishes the architecture of the six layers of the cerebral cortex?

    <p>The layers differ in types of neurons and connections. (A)</p> Signup and view all the answers

    What characterizes the appearance of grey matter?

    <p>Abundant neuropil with large neurons and small glial cells (B)</p> Signup and view all the answers

    Which type of neuron is most abundant in the cerebral cortex?

    <p>Pyramidal neurons (A)</p> Signup and view all the answers

    What distinguishes white matter from grey matter?

    <p>White matter appears more uniform due to oligodendroglia (D)</p> Signup and view all the answers

    What is the primary function of pyramidal neurons?

    <p>Integration of sensory information and initiation of motor responses (B)</p> Signup and view all the answers

    Which feature is typical of the neuropil found in grey matter?

    <p>Presence of unmyelinated axons and dendrites (D)</p> Signup and view all the answers

    What aspect of pyramidal neurons is often poorly represented in silver stains?

    <p>Axonal structure (A)</p> Signup and view all the answers

    What is the role of oligodendrocytes primarily found in white matter?

    <p>Myelinating axons to increase signal transmission speed (C)</p> Signup and view all the answers

    Which of the following statements is incorrect regarding the composition of grey matter?

    <p>Is primarily made up of myelinated axons (C)</p> Signup and view all the answers

    Which structure primarily connects the pia mater and arachnoid?

    <p>Arachnoid trabeculae (A)</p> Signup and view all the answers

    What type of appearance do ependymal cells have?

    <p>Cuboidal or low columnar (D)</p> Signup and view all the answers

    What is the main anatomical feature of the choroid plexus?

    <p>Consists of ependymal cells with tight junctions (D)</p> Signup and view all the answers

    What role do ependymal cells play in relation to cerebrospinal fluid?

    <p>Produce, circulate, and reabsorb CSF (B)</p> Signup and view all the answers

    Which maters are directly related to the structural support of the CNS?

    <p>Pia and arachnoid mater (A)</p> Signup and view all the answers

    Which statement about the subarachnoid space is correct?

    <p>It is where trabeculae can be found. (C)</p> Signup and view all the answers

    What characterizes the ventricular lining cells?

    <p>Have an epithelial-like appearance (D)</p> Signup and view all the answers

    What does the choroid plexus utilize to produce CSF?

    <p>Selective transport of water and molecules from blood (D)</p> Signup and view all the answers

    What is the primary function of large somatic motor neurons located in the ventral horn of the spinal cord?

    <p>To innervate the skeletal muscles of the limbs and trunk (B)</p> Signup and view all the answers

    Which of the following statements accurately describes the neurons in the dorsal horn of the spinal cord?

    <p>They act as interneurons projecting to other neurons within the CNS. (A)</p> Signup and view all the answers

    Which of the following accurately describes one of the layers of the meninges?

    <p>Dura mater consists of dense collagenous tissue. (A)</p> Signup and view all the answers

    What role does the pia mater play in relation to the central nervous system?

    <p>It is a thin layer covering the entire surface of CNS tissue. (D)</p> Signup and view all the answers

    What characterizes the metabolic demands of neurons in the dorsal horn compared to those in the ventral horn?

    <p>Dorsal horn neurons have smaller cell bodies due to less metabolic demands. (B)</p> Signup and view all the answers

    Which of the following best describes the composition of the meninges?

    <p>Consists of three distinct layers: dura mater, arachnoid mater, and pia mater. (A)</p> Signup and view all the answers

    What is the structural feature of the arachnoid mater?

    <p>It contains trabecular extensions that connect to the pia mater. (A)</p> Signup and view all the answers

    Where are large motor neurons primarily located within the spinal cord?

    <p>Ventral horn (D)</p> Signup and view all the answers

    What are the prominent organelles typically found in neuronal cytoplasm?

    <p>Prominent Golgi and abundant mitochondria (A)</p> Signup and view all the answers

    Which structure is specifically involved in the production of cerebrospinal fluid (CSF)?

    <p>Choroid plexus in the ventricles (A)</p> Signup and view all the answers

    Which characteristic helps distinguish between grey matter and white matter in the nervous system?

    <p>Presence of myelinated axons (B)</p> Signup and view all the answers

    What is the general structural organization of the meninges?

    <p>Three distinct layers with varying function (B)</p> Signup and view all the answers

    Which cellular feature is typically associated with aging neurons?

    <p>Increased number of neurofilaments and inclusions (C)</p> Signup and view all the answers

    What unique appearance do oligodendrocytes exhibit when stained with H&E?

    <p>Fried egg appearance (D)</p> Signup and view all the answers

    Which statement correctly differentiates the myelination process in the PNS and CNS?

    <p>Schwann cells extend processes that wrap around single axons, whereas oligodendrocytes wrap around multiple axons. (A)</p> Signup and view all the answers

    What structural feature is primarily observed in oligodendrocytes compared to astrocytes under H&E stain?

    <p>Smaller, condensed round nuclei. (A)</p> Signup and view all the answers

    Which of the following statements about the cytoplasmic extensions of oligodendrocytes is accurate?

    <p>They extend multiple processes to myelinate several axons. (B)</p> Signup and view all the answers

    What is a distinguishing feature of microglia when observed under H&E stain?

    <p>They exhibit elongated, dense nuclei resembling rods. (B)</p> Signup and view all the answers

    What is the primary implication of the 'fried egg' appearance observed in oligodendrocytes when stained?

    <p>Indicates their smaller nucleus and dense chromatin. (C)</p> Signup and view all the answers

    What unique appearance do astrocytes exhibit in histological preparations?

    <p>Fried egg appearance due to larger cytoplasmic projections. (C)</p> Signup and view all the answers

    In which type of nervous tissue are microglia primarily found?

    <p>Gray matter, around neuronal cell bodies and dendrites. (D)</p> Signup and view all the answers

    During CNS injury, how do microglia respond?

    <p>They aggregate and form nodules around damaged areas. (B)</p> Signup and view all the answers

    What is the primary composition of white matter in the CNS?

    <p>Myelinated axons along with oligodendrocytes. (B)</p> Signup and view all the answers

    What type of particles predominantly characterize gray matter?

    <p>Neuronal cell bodies, dendrites, and astrocytes. (A)</p> Signup and view all the answers

    Which cells act as the resident macrophages in the CNS?

    <p>Microglia (B)</p> Signup and view all the answers

    What structural feature is characteristic of oligodendrocytes compared to astrocytes?

    <p>Their nuclei are densely packed and rod-shaped. (A)</p> Signup and view all the answers

    What is a characteristic feature of grey matter?

    <p>Contains abundant neuropil and large neurons (A)</p> Signup and view all the answers

    Which statement is true regarding the appearance of white matter?

    <p>Exhibits a more uniform and homogeneous appearance (D)</p> Signup and view all the answers

    Which component is predominantly found in the neuropil of grey matter?

    <p>Glial cell processes (B)</p> Signup and view all the answers

    What structural feature often characterizes pyramidal neurons in staining procedures?

    <p>Poor representation of the axon (B)</p> Signup and view all the answers

    What role do oligodendrocytes play in the CNS?

    <p>Provide myelination to axons in white matter (A)</p> Signup and view all the answers

    How are pyramidal neurons functionally characterized?

    <p>Integral in sensory information integration and motor response initiation (C)</p> Signup and view all the answers

    What is a defining feature of axons within white matter?

    <p>They are typically long and myelinated (A)</p> Signup and view all the answers

    What is the primary role of astrocytes in the central nervous system?

    <p>To form scar tissue following CNS damage (B)</p> Signup and view all the answers

    Which glial cell type is primarily responsible for myelin production in the CNS?

    <p>Oligodendrocytes (B)</p> Signup and view all the answers

    What unique marker is used to identify astrocytes in diagnostic studies?

    <p>Glial fibrillary acidic protein (GFAP) (D)</p> Signup and view all the answers

    Which function is associated with microglial cells?

    <p>Acting as resident macrophages (D)</p> Signup and view all the answers

    What is the significance of astrocytic processes in the central nervous system?

    <p>They provide structural support and regulate the extracellular environment. (C)</p> Signup and view all the answers

    Which of the following cells line the cavities of the CNS, including the ventricles?

    <p>Ependymal cells (D)</p> Signup and view all the answers

    What feature distinguishes astrocytes from other glial cells?

    <p>Expression of glial fibrillary acidic protein (GFAP) (B)</p> Signup and view all the answers

    Which glial cells are considered the most numerous in the central nervous system?

    <p>Astrocytes (B)</p> Signup and view all the answers

    What is the primary function of large somatic motor neurons in the ventral horn of the spinal cord?

    <p>Innervate skeletal muscles (C)</p> Signup and view all the answers

    Which layer of the meninges is the thickest and most fibrous?

    <p>Dura mater (D)</p> Signup and view all the answers

    What characteristic differentiates the neurons found in the dorsal horn from those in the ventral horn?

    <p>Dorsal horn neurons primarily function as interneurons (A)</p> Signup and view all the answers

    What is the primary reason for the smaller cell bodies of neurons in the dorsal horn compared to those in the ventral horn?

    <p>They perform fewer metabolic functions (A)</p> Signup and view all the answers

    Which structure provides a barrier between the skull and the central nervous system tissues?

    <p>Dura mater (C)</p> Signup and view all the answers

    Which statement correctly describes the layers of the meninges?

    <p>Arachnoid mater is continuous with the pia mater (D)</p> Signup and view all the answers

    What purpose do the villi and trabecular extensions of the arachnoid mater serve?

    <p>Facilitate cerebrospinal fluid absorption (C)</p> Signup and view all the answers

    Which component of the nervous system is primarily supported by the pia mater?

    <p>Central nervous system tissues (B)</p> Signup and view all the answers

    Which component of a neuron is primarily responsible for synthesizing proteins?

    <p>Rough endoplasmic reticulum (RER) (A)</p> Signup and view all the answers

    What role does the choroid plexus play within the central nervous system?

    <p>Produces cerebrospinal fluid (CSF) (A)</p> Signup and view all the answers

    Which layer of the meninges provides the most direct structural support to the brain?

    <p>Pia mater (B)</p> Signup and view all the answers

    What type of cytoplasmic inclusions are considered common in neurons as they age?

    <p>Lipofuscin granules (A)</p> Signup and view all the answers

    In what structure do ependymal cells primarily function within the central nervous system?

    <p>Ventricular lining (B)</p> Signup and view all the answers

    What is the primary distinctive feature of oligodendrocytes when observed under high magnification with special stains?

    <p>Fried egg appearance with dense nuclei (C)</p> Signup and view all the answers

    How do oligodendrocytes contribute to the myelination of axons in the central nervous system?

    <p>They create myelin sheaths by covering multiple segments of multiple axons. (D)</p> Signup and view all the answers

    What accurately describes the nuclei of oligodendrocytes compared to other glial cells?

    <p>Condensed and round with a distinct fried egg appearance. (D)</p> Signup and view all the answers

    Which statement correctly differentiates oligodendrocytes from Schwann cells in terms of myelination?

    <p>Oligodendrocytes can myelinate multiple axons, while Schwann cells myelinate single axons. (D)</p> Signup and view all the answers

    What protein is used as a unique marker for astrocytes during immunostaining?

    <p>Glial fibrillary acidic protein (GFAP) (C)</p> Signup and view all the answers

    What appearance do the cell bodies of oligodendrocytes and astrocytes typically exhibit under H&E stain?

    <p>The cell bodies are usually not visible; only nuclei can be identified. (C)</p> Signup and view all the answers

    Which glial cell type is primarily responsible for the production of myelin in the CNS?

    <p>Oligodendrocytes (C)</p> Signup and view all the answers

    Which characteristic function of astrocytes supports their role in maintaining the blood-brain barrier?

    <p>Regulation of extracellular ions (D)</p> Signup and view all the answers

    What type of glial cell serves as the resident macrophages of the CNS?

    <p>Microglia (C)</p> Signup and view all the answers

    Ependymal cells are primarily associated with which of the following functions in the CNS?

    <p>Lining the ventricles and central canal (C)</p> Signup and view all the answers

    Which of the following glial cells in the CNS has the most abundant presence?

    <p>Astrocytes (B)</p> Signup and view all the answers

    The primary role of astrocytes in response to CNS damage is to:

    <p>Form scar tissue (D)</p> Signup and view all the answers

    What is one of the key roles of oligodendrocytes apart from myelin production?

    <p>Supporting neuronal cell bodies (D)</p> Signup and view all the answers

    What is the primary structure that connects the pia mater and arachnoid?

    <p>Arachnoid trabeculae (D)</p> Signup and view all the answers

    What type of cells comprise the choroid plexus?

    <p>Ependymal cells joined by tight junctions (C)</p> Signup and view all the answers

    What characteristic distinguishes ependymal cells from other glial cells?

    <p>Ciliated and containing microvilli (B)</p> Signup and view all the answers

    Which structure does NOT line the ventricles of the brain?

    <p>Astrocytes (A)</p> Signup and view all the answers

    Which of the following is a key function of cerebrospinal fluid (CSF)?

    <p>Provides cushioning for the brain (D)</p> Signup and view all the answers

    What type of appearance do ependymal cells exhibit?

    <p>Columnar or cuboidal without basal lamina (D)</p> Signup and view all the answers

    Which of the following structures is most closely associated with CSF production?

    <p>Choroid plexus (A)</p> Signup and view all the answers

    What role do tight junctions play in the choroid plexus?

    <p>Allow selective transport of molecules (C)</p> Signup and view all the answers

    What is the appearance of microglial nuclei when stained?

    <p>Rod-shaped or elongated like cigars (C)</p> Signup and view all the answers

    Which statement accurately describes astrocytes?

    <p>Their nuclei are larger and less dense than those of other glial cells. (A)</p> Signup and view all the answers

    In which type of brain matter would you find most of the myelinated axons?

    <p>White matter (A)</p> Signup and view all the answers

    What occurs to microglia in response to areas of injury and cell death?

    <p>They aggregate to form nodules. (D)</p> Signup and view all the answers

    How are microglia derived in the central nervous system?

    <p>From monocytes (A)</p> Signup and view all the answers

    What is a common structural distinction between glial nuclei and neuronal nuclei?

    <p>Glial nuclei can appear as fried eggs and are less dense. (D)</p> Signup and view all the answers

    Which of the following accurately describes the cellular makeup of gray matter?

    <p>It contains neuronal cell bodies, dendrites, and astrocytes. (D)</p> Signup and view all the answers

    What appearance distinguishes astrocytes under microscopic examination?

    <p>Fried egg appearance with lightly stained nuclei (A)</p> Signup and view all the answers

    What is primarily abundant in the neuropil found in grey matter?

    <p>Small astrocytes and microglia (A)</p> Signup and view all the answers

    Which neuron type is mainly involved in the integration of sensory information in the cerebral cortex?

    <p>Pyramidal neurons (A)</p> Signup and view all the answers

    What is the primary structural feature of the grey matter compared to white matter?

    <p>Abundant neuropil (B)</p> Signup and view all the answers

    Which staining method is most likely to depict details of the neuropil?

    <p>Gold stain (C)</p> Signup and view all the answers

    What is the likely reason why the axon of a pyramidal neuron does not stain well in most cases?

    <p>High lipid content (C)</p> Signup and view all the answers

    Which of the following correctly describes the appearance of white matter?

    <p>Uniform and homogeneous due to oligodendrocytes (D)</p> Signup and view all the answers

    Which glial cells are primarily supporting the conduction in white matter?

    <p>Oligodendrocytes (C)</p> Signup and view all the answers

    What is one important characteristic of the layers in the cerebral cortex?

    <p>Six distinct layers function vertically (D)</p> Signup and view all the answers

    Study Notes

    Session 1: Brain Tissue CNS Histology

    • The course director is Brent Thompson, PhD
    • His office is 109 DCOMK
    • His phone number is 865-338-5682
    • His email address is [email protected]

    Lecture Objectives

    • Review the organization of the nervous system
    • Identify and review the major structural components of a neuron and their functions
    • Describe the structure and function of glial cells in the CNS and PNS
    • Identify the characteristic organization of tissue components, cells, and layers of the cerebrum, cerebellum, and spinal cord
    • Differentiate between white and gray matter
    • Identify regions of the brain and spinal cord in a micrograph
    • Describe the structure and function of the meninges
    • Describe the structure and function of the choroid plexus and ependymal cells

    Neuronal Cytoplasm

    • Typical cellular organelles are present, including prominent Golgi, abundant mitochondria, RER, and neurofilaments
    • Intracytoplasmic inclusions are normal and common, especially with increasing age
    • Review of the structure and function of neurons

    Supporting Cells of Nervous Tissue: Glia

    • CNS Glial Cells: Oligodendrocytes, Astrocytes, Ependymal cells, Microglia
    • PNS Glial Cells: Schwann cells, Capsular/satellite cells

    Functions of CNS Glial Cells

    • Astrocytes: structural support, maintenance, and repair; forming the blood-brain barrier
    • Oligodendrocytes: CNS myelin production
    • Microglia: resident macrophages
    • Ependymal cells: line the cavities of the CNS (ventricles and central canal of spinal cord)

    CNS Glial Cells

    • Images depicting each type of cell and their locations.

    Astrocytes

    • Most numerous glial cells in the CNS
    • Numerous cytoplasmic processes extend from the cell body (processes not visible with H&E but readily seen with gold staining)
    • Easily characterized by their expression of the intermediate filament called Glial Fibrillary Acidic Protein (GFAP)
    • Immunostaining of GFAP is visible using immunostaining (unique marker for astrocytes, helpful in diagnosis of astrocytomas)

    Astrocytes

    • Support neurons (regulate extracellular environment, secrete metabolic factors)
    • Play a role in CNS development
    • Form scar tissue following CNS damage
    • Help form the blood-brain barrier

    Astrocytes and the Blood-Brain Barrier

    • Images depicting astrocyte interactions with capillaries to create blood-brain barrier. In these images, the role of astrocytes in forming the blood-brain barrier is visible.

    Oligodendrocytes

    • In H&E stained sections they may have a fried egg appearance, with dense nuclei
    • They have multiple cytoplasmic extensions

    Myelination of PNS and CNS Axons

    • PNS: Schwann cells extend one cytoplasmic process that wraps around a single section of one axon in the peripheral nervous system
    • CNS: Oligodendrocytes extend multiple cytoplasmic processes that wrap around multiple sections of axons, producing myelin sheaths within the white matter of the CNS.

    Astrocytes vs. Oligodendrocytes

    • Cell bodies are usually not visible for either cell type on H&E stain (look for nuclei)
    • Oligodendrocytes are smaller, with condensed round nuclei
    • Astrocytes are larger, with less dense oval nuclei

    Microglia

    • Small cells with short, irregular branched processes
    • Resident macrophages of the CNS, derived from monocytes
    • Dense elongated nuclei, frequently seen with H&E stain
    • Other glial nuclei are typically spherical and more lightly stained

    Microglia

    • Microglia can become reactive and aggregate around areas of injury and cell death, causing formation of nodules.
    • Microglial nuclei may take on a shape resembling rods or cigars

    Cerebellum, Summary of Glia, White vs. Grey matter

    • Summary of cerebellum glial cells, with examples of white and grey matter. Images show sections of cerebrum, cerebellum, and spinal cord, highlighting grey and white matter.

    Cerebellar Cortex

    • Describe histological sections of the cerebellum, showing layers
    • Identify the main layers (molecular, Purkinje, granular)
    • Characterize the cells in each layer, including Purkinje cells.
    • Diagram of the cerebellar cortex, with detailed descriptions of granule and Purkinje neurons

    Purkinje Cells

    • Large, flask-shaped neurons with enormous dendritic trees (arborization) that extend up into the molecular layer
    • Myelinated axons project through the underlying granular layer and into the white matter
    • Only neurons of the cerebellar cortex that leave the CNS acting as efferent neurons

    Granule Cells of the Cerebellum

    • Small abundant neurons in the cerebellar cortex
    • Axons project into the upper molecular layer
    • Involve synapses with Purkinje cell dendrites

    Cerebellar Cortex

    • Images showing sections of cerebellar cortex indicating positions of the main cell types (molecular layer, Purkinje cell layer, granular layer). Specific cell types are identified in images.

    Spinal Cord

    • Images describing location of white matter, grey matter, spinal ganglion, and central canal. Images show the different positions of white and gray matter.

    Spinal Cord Contains Large Motor Neurons

    • Images showing spinal cord and its sections demonstrating large motor neurons in the grey matter. Details of large motor neuron location is highlighted.

    White and Gray Matter of the Ventral Horn of the Spinal Cord

    • Large somatic motor neurons are located in the ventral horn of the cord
    • These neurons innervate the skeletal muscles of the limbs and trunk
    • Neurons in the dorsal horn are essentially interneurons

    Ventral Spinal Cord

    • Images are provided indicating large motor neurons are found in the ventral spinal cord. Location of large motor neurons is highlighted.

    Meninges

    • Connective tissue membranes located between bone (skull and vertebral column) and CNS tissue
    • Consists of three layers: dura mater, arachnoid, pia mater
    • Dura mater: Dense connective tissue continuous with the periosteum
    • Arachnoid: Two layers of connective tissue (flat layer adjacent to the dura and trabecular layer continuous with the underlying pia mater)
    • Pia mater: Thin layer of flattened cells that covers the entire surface of CNS tissue, including blood vessels

    Histological Section Through Spinal Meninges

    • Images detailing the structure of the spinal meninges, showing various layers (dura, arachnoid, pia). The various layers are highlighted.

    Ependymal cells

    • Ependymal cells are a type of glial cell
    • Line the ventricles and central canal of the spinal cord
    • Help produce, circulate, and reabsorb cerebrospinal fluid (CSF)
    • Cuboidal or low columnar cells with an "epithelial-like" appearance, lacking a basal lamina

    Choroid Plexus

    • Area within the ventricles that produces CSF through selective transport
    • Consists of ependymal cells joined by tight junctions. Images show the structure of the Choroid Plexus

    Ependymal cells basal projections

    • Ependymal cells basal projections connect to underlying tissue. Detail images of these structures

    Summary of CNS Cells

    • Diagram illustrating the various cells of the CNS, including neurons, astrocytes, oligodendrocytes, microglia, and ependymal cells. The diagram shows the different cells and their locations within the CNS.

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    Description

    Test your knowledge on the functions and structures of glial cells in the central nervous system, as well as the distinctions between white and grey matter. This quiz covers critical concepts related to the organization and roles of various cell types in neuroanatomy. Assess your understanding of key histological features and cellular functions.

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