Histology Lab Exam 2

Question 1

Identify this type of matter:

Answer 1

White matter

Question 2

What type of cells do the nuclei in white matter belong to?

Answer 2

glial cells

Question 3

Identify this type of matter:

Answer 3

grey matter

Question 4

Identify this region:

Answer 4

dorsal horn

Question 5

Identify this region:

Answer 5

ventral horn

Question 6

What type of neurons are present in ventral horns?

Answer 6

large multipolar neurons

Question 7

Identify this substance:

Answer 7

Nissl substance

Question 8

Identify this structure:

Answer 8

nucleus

Question 9

Identify this structure:

Answer 9

nucleolus

Question 10

Identify these structures:

Answer 10

ependyma

Question 11

Identify this structure:

Answer 11

central canal of the spinal cord

Question 12

Identify this structure:

Answer 12

dorsal root ganglion

Question 13

Identify this structure:

Answer 13

cell body

Question 14

Identify these structures:

Answer 14

axons

Question 15

What type of neurons are in the dorsal root ganglion?

Answer 15

sensory neurons

Question 16

Aside from the neuron, what other cells are present in the dorsal root ganglion?

Answer 16

schwann cells

Question 17

Name this structure:

Answer 17

myelinated axon

Question 18

Name this structure:

Answer 18

non-myelinated axon

Question 19

Where are nuclei related to schwann cells?

Answer 19

On the periphery

Question 20

Aside from schwann cells, what other cells are present in peripheral nerves?

Answer 20

fibroblast- connective tissue

Question 21

Identify this structure(dark purple):

Answer 21

myelin sheath

Question 22

What type of receptor is a muscle spindle?

Answer 22

proprioceptor or stretch receptor

Question 23

What layer of the muscle is the muscle spindle located in?

Answer 23

perimysium

Question 24

Identify this structure:

Answer 24

intrafusal muscle cells

Question 25

What type of nerve is in the muscle spindle?

Answer 25

afferent nerve

Question 26

What type of nerve is this?

Answer 26

peripheral nerve

Question 27

Identify this region:

Answer 27

epineurium

Question 28

Identify this region:

Answer 28

perineurium

Question 29

What is the connective tissue of the nerve?

Answer 29

epineurium

Question 30

What is the connective tissue of the fascicle?

Answer 30

perineurium

Question 31

Identify these structures:

Answer 31

axons

Question 32

Identify this structure:

Answer 32

nerve

Question 33

Identify this structure:

Answer 33

ganglia

Question 34

Identify this structure:

Answer 34

neuronal cell bodies

Question 35

In addition to schwann cells, what cells are present in nerves and ganglia?

Answer 35

fibroblasts

Question 36

Identify this structure:

Answer 36

dura mater

Question 37

What is the dura mater made up of?

Answer 37

collagen fibers, elastic fibers, fibroblasts, nerves, lymph vessels, and blood vessels

Question 38

Identify this strucutre:

Answer 38

arachnoid

Question 39

Identify this structure:

Answer 39

pia mater

Question 40

What is the arachnoid and pia mater combined called?

Answer 40

leptomeninges

Question 41

Identify this space:

Answer 41

sub arachnoid space

Question 42

What is the arachnoid made out of?

Answer 42

fibroblasts and collagen

Question 43

What is the pia mater made of?

Answer 43

fibroblasts and collagen

Question 44

Identify this structure:

Answer 44

muscle spindle

Question 45

Identify this structure:

Answer 45

Schwann Cell

Question 46

What is the myelin at the electron microscope level?

Answer 46

layers of the cell wrapped around the axon with the cytoplasm and nucleus at the periphery of the sheath

Question 47

What are the cell types of the ependymal cells?

Answer 47

cuboidal to columnar

Question 48

What is this a picture of?

Answer 48

The electron microscope structure of Nissl substance