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30 Cards in this Set

  • Front
  • Back
Acoustic Neuroma
A benign tumor of the eighth cranial nerve
Arachnoid
The middle layer of the meninges, which is very delicate serous membrane that resembles a spider's web
AV Malformation
Arteriovenous malformation. An abnormal communication between the arteries and veins (called a fistula)
Berry Aneurysm
A small saclike bulge of a cerebral artery, usually found in the Circle of Willis
Burr
Drill tip designed to make holes in bone; also spelled burr
CNS
Part of the nervous system containing the brain and spinal cord
Cerebellum
Gray matter lying in the posterior cranial fossa that is divided into fissures. The cerebellum is responsible for coordination and movement
Cerebral aqueduct
A narrow pathway for the cerebrospinal fluid to flow to the fourt ventricle and then to the brain stem and spine
Cerebral cortex
The outer tissue layer of the cerebrum, composed of gray matter and divided into lobes
Cerebral peduncle
A bundle of nerves found in the anterior portion of the midbrain that carries impulses to and from the cerebrum
Cerebrospinal fluid
A nourishing fluid that circulates around the brain and spinal cord acting like a watery cushion to prevent injury
Cerebrum
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.
Corpora Quadrigemina
four rounded masses found in the midbrain responsible for auditory and visual impulses
Cryosurgery
The use of subfreezing temperature to destroy tissue
Dura mater
The very fibrous outer layer of the meninges
Endoneurium
A protective sheath that surrounds the fasicles
Epineurium
the outer protective covering of the peripheral nerve
fascicles
small bundle of nerve fibers
fissure
a narrow cleft on the brain tissue between the folds of the gyri
foramen magnum
the large opening in the occipital bone between the cranial cavity and the spinal cord
frontal lobe
the lobe of the brain containing the forehead; the anterior portion of the cerebrum
galea
a tough fibrous tissue sheet resembling a helmet that protects the brain
gray commissure
portion of the spinal cord that includes the spinal canal and that covers the spinal cord
gray matter
areas of the nervous system where fibers are unmyelinated. gray matter contains the bodies of the nerve cells
gyri
the folds or convolution of the brain tissue
hypothermia
having a body temperature below normal
interventricular foramen
a passage from the third to the lateral ventricle of the brain
in vitro
done in a laboratory; usually describing a test involving isolated tissue, organs, or cells
ligamentum flavum
a ligament that connects one spinous process of a vertebra to another
medulla oblangata
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,