Chapter 10 - Vocab Part 3

Question 1

Peripheral Nervous System (PNS)

Answer 1

Nerves outside the brain and spinal cord; cranial, spinal, and autonomic nerves

Question 2

Pia Mater

Answer 2

Thin, delicate inner membrane of the meninges.

Question 3

Plexus (plural: plexuses)

Answer 3

A large, interlacing network of nerves

Question 4

Poliomyelitis

Answer 4

Inflammation of the gray matter of the spinal cord

Question 5

Polyneuritis

Answer 5

Inflammation of many nerves

Question 6

Pons

Answer 6

The part of the brain anterior to the cerebellum and between the medulla and the rest of the midbrain

Question 7

Quadriplegia

Answer 7

Paralysis of all four limbs; both arms and legs

Question 8

Radiculitis

Answer 8

Inflammation of a spinal nerve root

Question 9

Radiculopathy

Answer 9

Disease of a spinal nerve root

Question 10

Receptor

Answer 10

An organ that receives a nervous stimulus and passes it on to afferent nerves; the skin, ears, eyes, and taste buds are receptors

Question 11

Sciatic Nerve

Answer 11

The nerve extending from the base of the spine down the thigh, lower leg, and foot

Question 12

Sciatica

Answer 12

Pain that follows the pathway of the sciatic nerve caused by compression or trauma of the nerve or its roots

Question 13

Sensory nerve

Answer 13

Carries messages toward the brain and spinal cord from the receptor; afferent nerve

Question 14

Spinal nerves (!!)

Answer 14

31 pairs arising from the spinal cord

Question 15

Stimulus (plural: stimuli)

Answer 15

An agent of change (light, sound, touch) in the internal or external environment that evokes a response

Question 16

Stroma

Answer 16

1. Connective and supporting tissue of an organ

2. Glial cells are the stromal tissue of the brain

Question 17

Subdural hematoma (!!!)

Answer 17

Collection of blood in the space below the dura mater surrounding the brain (collection of blood within meningeal layers)

Question 18

Sulcus (plural: sulci) (!!!!!)

Answer 18

Depression or groove in the surface of the cerebral cortex; fissure

Question 19

Sympathetic nerves

Answer 19

Autonomic nerves that influence the bodily functions involuntarily in times of stress

Question 20

Synapse

Answer 20

The space through which a nervous impulse travels between nerve cells or between nerve and muscle or glandular cells

Question 21

Syncopal

Answer 21

Pertaining to syncope (fainting)

Question 22

Syncope

Answer 22

Fainting; temporary loss of consciousness

Question 23

Thalamic

Answer 23

Pertaining to the thalamus

Question 24

Thalamus

Answer 24

Main relay center of the brain; conducts impulses between the spinal cord and the cerebrum

Question 25

Trigeminal neuralgia

Answer 25

Flashes of stab-like pain along the course of a branch of a trigeminal nerve (5th cranial nerve). Trigeminal nerve has branches in the eye, upper and lower jaw.

Question 26

Vagal

Answer 26

Pertaining to the vagus nerve

Question 27

Vagus nerve

Answer 27

Tenth cranial nerve with branches to the chest and abdominal organs

Question 28

Ventricles of the brain

Answer 28

Canals in the brain that contain CSF.