Welcome! College of the Redwoods Anatomy Notes

Quiz 6 nervous tissue and the peripheral nervous system

1. Indicate whether the following structures are in the central nervous system (CNS), or peripheral nervous system (PNS)

a. Brain CNS

b. Nerve CNS

c. Tract CNS

d. Ganglion PNS

2. Name the support cell that:

a. Makes myelin sheaths in the central nervous system. Oligodendrouyte

b. Makes myelin sheaths in the peripheral nervous system. Schwann cell

c. Secretes cerebrospinal fluid. Ependymal cell

d. Is closely related to a macrophage microglia

3. Describe two differences between central nervous system white matter and gray matter: (HINT one has to do with cellular structure and one has to do with where they are located. )

White – myelinh sheaths and more peripheral

Gray – no myelin sheaths, more cell bodies, more central

4. name the connective tissue that surrounds each of the following

a. nerve fiber and it’s Schwann cell/s endoneurium

b. nerve epinevrum

5. name two functions of the myelin sheath speed, crosstalk

note I have no way of knowing the slides she will show but here are from last test

6.

a. nevron

b. support cells

7.

a. myelinated

b. Schwann cells

8.

a. anterior rentral median fissure

b. anterior white colum

9.

a. gray matter

b. dorsal / posterior gray horn

10

a. dorsal / posterior root

b. dorsal root ganglin

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