week10 & 11

Created by mrc13b2006 

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75 terms

oligodendroglia

glial cell that produces myelin

aneurysm

local widening of an artery caused by weakness in the arterial wall

acetylcholine

neurotransmitter; example of a chemical released into a synapse

angina

chest pain resulting from temporary difference between supply and demand of oxygen to the heart muscle

cauda equina

spinal nerves below the end of the spinal cord

hypothalamus

portion of the brain under the thalamus; controls sleep, appetite and pituitary gland, region of the brain below the thalamus

myelin sheath

covering on a nerve cell axon, protective fatty tissue that surrounds the axon of a nerve cell

coronary arteries

blood vessel that branch from the aorta to carry oxygen-rich blood to the heart muscle

emboli

collection of material(clots) that have travel to and suddenly block a vessel

meninges

three protective membranes surrounding the brain and the spinal cord

medulla oblongata

lower portion of the brain; controls blood pressure, heartbeat and respiration

motor nerve

type of nerve that takes messages to the muscles from the brain

cyanosis

bluish coloration of the skin

occlusion

blockage of a blood vessel

meningioma

tumor of meninges

synapse

space between nerve cells

neurorrhaphy

suture of a nerve

phlebitis

inflammation of a vein

hemorrhoids

varicose veins near the anus

pericardium

saclike membrane surrounding the heart

dura mater

outermost layer of the meninges

cardiomyopathy

disease of the heart muscle

essential hypertension

high blood pressure of idiopathic etiology

raynaud phenomenon

short episodes of pallor and numbness in fingers and toes due to a temporary constriction of arterioles

cerebral cortex

outer region of the largest part of the brain; composed of gray matter

syncopal

pertaining to fainting

mitral valve

located between the left upper and lower chambers of the heart

murmur

extra heart sound heard between normal beats

sensory nerve

carries messages toward the brain from receptors

demyelination

lack of myelin

systole

contraction phase of the heartbeat

tetralogy of fallot

congenital malformation of the heart involving four distinct defects, the appearance of 4 separate congenital heart defects

paresthesia

abnormal sensation

dendrite

branching fiber that is the first part of a neuron to receive a nervous impulse

paresis

slight paralysis

pulmonary artery

blood vessel that carries oxygen-poor blood form heart to lungs

congestive heart failure

the heart unable to pump its required amount of blood; pulmonary edema may result

digoxin

drug used to strengthen the heartbeat

plexus

a large, interlacing network of nerves

neurasthenia

lack of strength in nerves; irritability

sinoatrial node

sensitive tissue in the right atrium wall that begins the heartbeat

patent ductus arteriosus

small duct between that aorta and pulmonary artery, which normally closes soon after birth but remains open

sphygmomanometer

instrument used to measure blood pressure

axon

microscopic fiber that carries the nervous impulse along a nerve(the tail)

hyperkinesis

excessive movement

ischemia

lead to myocardial infarction, blood is held back from an area, can be cause by thrombotic occlusion of a blood vessel

arrythmias

examples are flutter, fibrillation, and heart block

endocarditis

inflammation of the inner lining of the heart

subarachnoid space

contains cerebrospinal fluid

parenchymal

essential cells of an organ

claudication

blockage of arteries in the lower extremities due to atherosclerosis

intrathecal

within the meninges

DVT

blood clot forms in a large lower limb vessel

beta blockers

drugs used to treat abnormal heart rhythms and high blood pressure

palpitations

uncomfortable sensations in the chest

gyri

elevations on cerebral cortex

dementia

loss of mental capacity

petechiae

small, pinpoint hemorrhages

patent

another word for open

pia mater

innermost meningeal membrane

palliative

relieving, but not curing

cardiac arrhythmia

examples fibrillation, flutter, bradycardia

mitral valve prolapse

improper closure of a heart valve when the heart is pumping blood

cerebellum

part of the brain that controls muscular coordination

parenchymal cell

essectial cell of the nervous system, a neuron

aura

peculiar symptoms appearing before definite symptoms

angina

chest pain relieved with nitroglycerin

endocarditis

inflammation of the inner lining of the heart

gait

manner of walking

Holter Monitor

EKG taken during daily activity

endarterectomy

removal of plaque from the inner lining of an artery

phlebotomy

incision of a vein

idiopathic

cause of essential hypertension

echo

high frequency sound waves are transmitted into the chest

serum enzymes

CK, LD, amd AST are all examples

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