Podcast
Questions and Answers
Which part of the brain is responsible for coordinating voluntary movements?
Which part of the brain is responsible for coordinating voluntary movements?
- Thalamus
- Cerebellum (correct)
- Brain stem
- Corpus callosum
The retina is located in the outer layer of the eye.
The retina is located in the outer layer of the eye.
False (B)
What is the primary function of the thalamus?
What is the primary function of the thalamus?
Relay sensory information to the cerebral cortex
The ___ connects the brain and spinal cord and is responsible for basic life functions.
The ___ connects the brain and spinal cord and is responsible for basic life functions.
Match the following parts of the ear with their functions:
Match the following parts of the ear with their functions:
Which of the following is a key nerve of the lumbar plexus?
Which of the following is a key nerve of the lumbar plexus?
The optic nerve transmits visual information from the retina to the brain.
The optic nerve transmits visual information from the retina to the brain.
What type of hearing loss does the Rinne test investigate?
What type of hearing loss does the Rinne test investigate?
Which part of the neuron is responsible for transmitting impulses away from the cell body?
Which part of the neuron is responsible for transmitting impulses away from the cell body?
The Schwann cells are found in both the central nervous system (CNS) and peripheral nervous system (PNS).
The Schwann cells are found in both the central nervous system (CNS) and peripheral nervous system (PNS).
What is the function of the myelin sheath surrounding the axon?
What is the function of the myelin sheath surrounding the axon?
The _______ contains the cell's nucleus and is essential for the metabolic activity of the neuron.
The _______ contains the cell's nucleus and is essential for the metabolic activity of the neuron.
Match the following neuroglial cells to their function:
Match the following neuroglial cells to their function:
Which structure is primarily responsible for the storage and release of neurotransmitters?
Which structure is primarily responsible for the storage and release of neurotransmitters?
The lateral ventricle is one of the four main ventricles in the brain.
The lateral ventricle is one of the four main ventricles in the brain.
Name the three meninges that protect the spinal cord.
Name the three meninges that protect the spinal cord.
Flashcards
Neuron
Neuron
A specialized cell that transmits nerve impulses throughout the body.
Cell Body (Soma)
Cell Body (Soma)
The main body of a neuron containing the nucleus and other organelles.
Dendrites
Dendrites
Short, branched extensions of a neuron that receive signals from other neurons.
Axon
Axon
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Synapse
Synapse
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Neuroglial Cell
Neuroglial Cell
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Oligodendrocyte
Oligodendrocyte
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Meninges
Meninges
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Cerebral Cortex
Cerebral Cortex
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Corpus Callosum
Corpus Callosum
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Hypothalamus
Hypothalamus
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Thalamus
Thalamus
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Cerebellum
Cerebellum
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Plexus
Plexus
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Reflex Arc
Reflex Arc
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Lens
Lens
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Study Notes
Nervous Tissue
- Neuron model parts: Cell body (soma), Dendrites, Nissl bodies, Nucleus (with nucleolus), Axon hillock, Initial segment, Axon, Axolemma
- Myelin sheath: Schwann cell (with nucleus), Telodendrion
- Synapse: Pre-synaptic neuron, Post-synaptic neuron, Synaptic cleft, Synaptic vesicles with neurotransmitters, Neurotransmitter receptors on post-synaptic neuron
- Neuroglial cells: Astrocytes, Microglia, Oligodendrocytes, Ependymal cells, Schwann cells (PNS), Satellite cells (PNS)
- Neuron histology
- Axon
- Dendrites
- Neuroglial cells
- Axon, Nodes, Internodes
- Spinal cord regions: Cervical, Thoracic, Lumbar
Spinal Cord
- Spinal cord: Features (cervical and lumbar enlargements, conus medullaris, cauda equina, filum terminale)
- Meninges: Dura mater, Arachnoid mater, Pia mater
- Spinal cord model: Anterior median fissure, Posterior median sulcus, Central canal
- Spinal gray matter: Anterior horn, Lateral horn, Posterior horn
- Spinal nerve roots: Posterior root, Posterior root ganglion, Anterior root
- Spinal white matter: Anterior funiculus, Lateral funiculus, Posterior funiculus
Brain
- Ventricles, Lateral ventricle, Third ventricle, Fourth ventricle
- Cerebral hemispheres: Longitudinal fissure, Transverse fissure
- Brain lobes: Frontal, Parietal, Temporal, Occipital, Insula
- Cerebral cortex (grey outer region)
- Sulci
Nervous Tissue (Additional details)
-
Cerebellum
-
Vermis
-
Arbor vitae
-
Brain stem
-
Midbrain
-
Pons
-
Medulla oblongata
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Brain coverings (meninges): Dura mater, Arachnoid mater, Pia mater
-
Plexus (Cervical, Brachial, Lumbar, Sacral), Key nerves (Phrenic, Axillary, Radial, Ulnar, Median, Sciatic, Tibial)
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Reflex arc: - Receptor, Sensory neuron, Interneuron, Motor neuron
-
Eye (Anterior cavity, Aqueous humor, Posterior cavity, Vitreous humor (jelly), Lens).
Sensory Organs
- Eye: Fibrous tunic (sclera, cornea), vascular tunic (choroid, ciliary body, iris), sensory tunic (retina), optic nerve, optic disc, macula lutea, fovea centralis, suspensory ligaments.
- Ear: Outer ear (auricle/pinna, external auditory canal), Middle ear (tympanic membrane, ossicles: malleus, incus, stapes, Eustachian tube), Inner ear (vestibule, semicircular canals, cochlea, vestibularcochlear nerve)
- Nose: Cribriform plate, olfactory epithelium, olfactory receptor cells, olfactory nerve, olfactory bulb
- Tongue: Taste buds (fungiform, circumvallate, foliate), papillae.
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Description
Test your knowledge on the structures and functions of nervous tissue and the spinal cord. This quiz covers neuron anatomy, neuroglial cells, spinal cord features, and meninges. Explore the complex interactions and histological features essential for understanding the nervous system.
