Neuro Vocabulary

Front 1

Acoustic Neuroma

Back 1

A benign tumor of the eighth cranial nerve

Front 2

Arachnoid

Back 2

The middle layer of the meninges, which is very delicate serous membrane that resembles a spider's web

Front 3

AV Malformation

Back 3

Arteriovenous malformation. An abnormal communication between the arteries and veins (called a fistula)

Front 4

Berry Aneurysm

Back 4

A small saclike bulge of a cerebral artery, usually found in the Circle of Willis

Front 5

Burr

Back 5

Drill tip designed to make holes in bone; also spelled burr

Front 6

CNS

Back 6

Part of the nervous system containing the brain and spinal cord

Front 7

Cerebellum

Back 7

Gray matter lying in the posterior cranial fossa that is divided into fissures. The cerebellum is responsible for coordination and movement

Front 8

Cerebral aqueduct

Back 8

A narrow pathway for the cerebrospinal fluid to flow to the fourt ventricle and then to the brain stem and spine

Front 9

Cerebral cortex

Back 9

The outer tissue layer of the cerebrum, composed of gray matter and divided into lobes

Front 10

Cerebral peduncle

Back 10

A bundle of nerves found in the anterior portion of the midbrain that carries impulses to and from the cerebrum

Front 11

Cerebrospinal fluid

Back 11

A nourishing fluid that circulates around the brain and spinal cord acting like a watery cushion to prevent injury

Front 12

Cerebrum

Back 12

The main portion of the brain, divided into two hemispheres. The cerebrum controls motor activities and sensory impulses. Its forebrain is responsible for memory, intelligence, and reason. The cerebrum is the largest portion of the brain.

Front 13

Corpora Quadrigemina

Back 13

four rounded masses found in the midbrain responsible for auditory and visual impulses

Front 14

Cryosurgery

Back 14

The use of subfreezing temperature to destroy tissue

Front 15

Dura mater

Back 15

The very fibrous outer layer of the meninges

Front 16

Endoneurium

Back 16

A protective sheath that surrounds the fasicles

Front 17

Epineurium

Back 17

the outer protective covering of the peripheral nerve

Front 18

fascicles

Back 18

small bundle of nerve fibers

Front 19

fissure

Back 19

a narrow cleft on the brain tissue between the folds of the gyri

Front 20

foramen magnum

Back 20

the large opening in the occipital bone between the cranial cavity and the spinal cord

Front 21

frontal lobe

Back 21

the lobe of the brain containing the forehead; the anterior portion of the cerebrum

Front 22

galea

Back 22

a tough fibrous tissue sheet resembling a helmet that protects the brain

Front 23

gray commissure

Back 23

portion of the spinal cord that includes the spinal canal and that covers the spinal cord

Front 24

gray matter

Back 24

areas of the nervous system where fibers are unmyelinated. gray matter contains the bodies of the nerve cells

Front 25

gyri

Back 25

the folds or convolution of the brain tissue

Front 26

hypothermia

Back 26

having a body temperature below normal

Front 27

interventricular foramen

Back 27

a passage from the third to the lateral ventricle of the brain

Front 28

in vitro

Back 28

done in a laboratory; usually describing a test involving isolated tissue, organs, or cells

Front 29

ligamentum flavum

Back 29

a ligament that connects one spinous process of a vertebra to another

Front 30

medulla oblangata

Back 30

gray matter that serves as a continuous connection between the spinal cord and the pons. the impulses that pass to and from the spinal cord pass through here. the medula is responsible for the bodys vital functions, such as heart rate,