Nervous System

Question 1

Part of the nervous system consisting of the cranial nerves, spinal nerves, and ganglia

Answer 1

Peripheral Nervous System (PNS)

Question 2

Cranial Nerve that is actually a brain tract

Answer 2

Cranial nerve 2

Question 3

A bundle of nerve fibers

Answer 3

Nerve

Question 4

Nerve cell

Answer 4

Neuron

Question 5

A group of neuronal cell bodies in the PNS

Answer 5

Ganglion

Question 6

Nerves that innervate non-visceral structures

Answer 6

Somatic

Question 7

Nerves that innervate visceral structures

Answer 7

Visceral

Question 8

Carries stimuli from sense organs to CNS

Answer 8

Sensory/Afferent

Question 9

Cause action, control muscles, part of CNS with axons in PNS

Answer 9

Motor/Efferent

Question 10

4 types of nerves

Answer 10

Somatic sensory, somatic motor, visceral sensory, visceral motor

Question 11

Short processes projecting from neuron cell body

Answer 11

Dendrites

Question 12

Long cell process that is part of neuron

Answer 12

Axon

Question 13

Sheath around axons

Answer 13

Myelin/neurilemma

Question 14

Small branches at tip of axon

Answer 14

Telodendria

Question 15

Another name for a sensory structure or organ

Answer 15

Receptor

Question 16

A structure that performs an action

Answer 16

Effector

Question 17

Cells that form the neurilemma in the PNS

Answer 17

Schwann cells

Question 18

Non-neural cells in CNS

Answer 18

Neuroglia

Question 19

Connective tissue membrane that surrounds the CNS

Answer 19

Meninges

Question 20

Lymph like fluid that circulates around the CNS

Answer 20

Cerebrospinal fluid

Question 21

Dense outer meninx surrounding the CNS of Tetrapods

Answer 21

Dura mater

Question 22

Tissue surrounding CNS peripheral to pia mater and under dura mater

Answer 22

Arachnoid

Question 23

Vascular membrane that invests CNS of mammals and birds

Answer 23

Pia mater

Question 24

Consists of poorly myelinated neurons and many neuroglia

Answer 24

Gray matter

Question 25

Many myelinated axons and very few neuroglia

Answer 25

White matter

Question 26

Links gray matter centrally

Answer 26

Commissure

Question 27

Lining of the central canal of the spinal cord

Answer 27

Ependyma

Question 28

Name for a region of white matter

Answer 28

Funiculi

Question 29

Branches of a spinal nerve

Answer 29

Rami

Question 30

Dorsal rami innervates ____ region

Answer 30

Epaxial

Question 31

Ventral rami innervates _____ and _____ region

Answer 31

Hypaxial and appendicular

Question 32

Visceral rami innervates ____

Answer 32

Viscera

Question 33

Ancestral condition of sensory and motor innervation

Answer 33

Dorsal and ventral components don’t fuse and are separate nerves

Question 34

Ancestrally dorsal nerve has

Answer 34

SS, VS, and VM

Question 35

Ancestrally ventral nerve has

Answer 35

SM

Question 36

Gnathostomata and beyond condition of innervation

Answer 36

Dorsal and ventral fuse, give rise to dorsal, visceral, and ventral rami

Question 37

Innervation condition in amniotes

Answer 37

VM only ventral

Question 38

Nerves that arise from brain, innervate head, pharyngeal region, and visceral organs

Answer 38

Cranial nerves

Question 39

Categories of cranial nerves

Answer 39

Special sensory and dorsal/ventral modified spinal

Question 40

Part of the nervous system consisting of the brain and spinal cord

Answer 40

Central Nervous System (CNS)

Question 41

Star-shaped nutritive and supportive glial cells

Answer 41

Astrocytes

Question 42

Supportive cells of the central nervous system

Answer 42

Neuroglia

Question 43

CNS cells that myelinate axons

Answer 43

Oligodendrocytes

Question 44

Small phagocytic CNS cells

Answer 44

Microglia

Question 45

Small space between telodendria of one neuron and dendrites of the next

Answer 45

Synaptic cleft