Histology of Muscle Tissue: Anatomy, Functions, and Properties

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Questions and Answers

Which type of glial cells forms myelin around a segment of one axon in the peripheral nervous system?

  • Oligodendrocytes
  • Microglia
  • Ependymal cells
  • Schwann cells (correct)

What type of astrocytes are found in the gray matter of the central nervous system?

  • Fibrous astrocytes
  • Ependymal cells
  • Microglia
  • Protoplasmic astrocytes (correct)

What is the main function of astrocytes in the central nervous system?

  • To regulate the chemical environment of neurons
  • To facilitate the movement of cerebrospinal fluid
  • To bind neurons to capillaries and the pia mater (correct)
  • To form myelin around axons

What is the primary function of ependymal cells in certain locations?

<p>To facilitate the movement of cerebrospinal fluid (B)</p> Signup and view all the answers

What type of cells are derived from precursor cells in the bone marrow?

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

Which type of glial cells surrounds neurons in the sensory, sympathetic, and parasympathetic ganglia?

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

What type of astrocytes are found in the white matter of the central nervous system?

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

What is the characteristic of astrocytes' intermediate filaments?

<p>They are made of glial fibrillary acid protein (C)</p> Signup and view all the answers

Which type of glial cells can be recognized in routine preparations by their dense elongated nuclei?

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

What is the function of microglia in the central nervous system?

<p>To phagocytose foreign substances and debris (A)</p> Signup and view all the answers

Flashcards

Peripheral myelin

Schwann cells form myelin sheaths around axons in the peripheral nervous system.

CNS gray matter astrocytes

Protoplasmic astrocytes are found in the gray matter of the central nervous system.

Astrocyte CNS function

Astrocytes in the CNS bind neurons to capillaries and the pia mater, supporting crucial functions.

Ependymal cell function

Ependymal cells facilitate the movement of cerebrospinal fluid in specific areas.

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Microglia origin

Microglia are derived from precursor cells in the bone marrow.

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Satellite cells location

Satellite cells surround neurons in sensory, sympathetic, and parasympathetic ganglia.

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CNS white matter astrocytes

Fibrous astrocytes are found in the white matter of the central nervous system.

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Astrocyte filament type

Astrocytes' intermediate filaments are made of glial fibrillary acidic protein (GFAP).

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Microglia identification

Microglia are recognizable in routine preparations by their dense, elongated nuclei.

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Microglia CNS function

Microglia phagocytose foreign substances and debris in the central nervous system, acting like immune cells.

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