Nerve Tissue Histology Quiz
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Questions and Answers

Which of the following is a learning objective of studying nerve tissue histology?

  • Identify and describe histological features of neurons (correct)
  • Describe the structure and function of the synapse
  • Define the unique cell types that make up nerve tissue
  • Understand the structure of the brain and spinal cord
  • What distinguishes neurons from glial cells?

  • Their location in the brain and spinal cord
  • Their structural specializations (correct)
  • Their function in axon myelination
  • Their embryonic origin
  • What are the two main types of axons based on their myelination?

  • Gray matter and white matter
  • Myelinated and unmyelinated (correct)
  • Motor and sensory
  • Dendrites and axon terminals
  • What is the function of glial cells in nerve tissue?

    <p>Provide structural support and insulation to neurons</p> Signup and view all the answers

    What is the connective tissue feature of a peripheral nerve?

    <p>Epineurium</p> Signup and view all the answers

    Which of the following is NOT a learning objective of studying nerve tissue histology?

    <p>Understand the structure of the brain and spinal cord</p> Signup and view all the answers

    Which of the following is NOT a structural specialization that distinguishes neurons from glial cells?

    <p>Nuclei</p> Signup and view all the answers

    Which of the following is a characteristic of myelinated axons?

    <p>They have a faster conduction of electrical impulses</p> Signup and view all the answers

    What is the main function of glial cells in nerve tissue?

    <p>Support and protection of neurons</p> Signup and view all the answers

    What distinguishes the gray matter from the white matter in the brain and spinal cord?

    <p>Presence of cell bodies and unmyelinated axons</p> Signup and view all the answers

    Study Notes

    Learning Objectives of Nerve Tissue Histology

    • Understanding the structure and organization of nerve tissue.
    • Identifying various types of neurons and glial cells.
    • Recognizing pathological changes in nerve tissue.

    Distinction Between Neurons and Glial Cells

    • Neurons are excitable cells that transmit nerve impulses; glial cells support and protect neurons.
    • Neurons have specialized structures like axons and dendrites, which are absent in glial cells.

    Types of Axons Based on Myelination

    • Myelinated axons: Encased in a myelin sheath, facilitating faster nerve impulse conduction.
    • Unmyelinated axons: Lack a myelin sheath, resulting in slower conduction.

    Functions of Glial Cells in Nerve Tissue

    • Provide structural support for neurons.
    • Maintain homeostasis and nutrient supply.
    • Assist in the repair and regeneration of nerve tissue.
    • Participate in the formation of myelin sheaths.

    Connective Tissue Features of Peripheral Nerves

    • Composed of three layers: epineurium (outer), perineurium (middle), and endoneurium (inner).
    • Facilitates protection, structure, and nutrient supply within nerves.

    Characteristics of Myelinated Axons

    • Myelination increases impulse velocity through saltatory conduction.
    • Myelinated axons appear white (hence "white matter") in the nervous system due to the lipid content of myelin.

    Distinction Between Gray Matter and White Matter

    • Gray matter consists primarily of neuronal cell bodies, dendrites, and unmyelinated axons.
    • White matter is composed mainly of myelinated axons, facilitating communication between brain regions and between the brain and spinal cord.

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    Description

    Test your knowledge of nerve tissue histology with this quiz. Learn about the unique cell types and structural specializations that make up nerve tissue, as well as how to classify neurons morphologically and functionally.

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