3.03 Flashcards
Blood-brain barrier
inability of some substances to penetrate the brain tissue
Cerebral Ventricles
four cavities within the brain that are filled with cerebrospinal fluid
Convolutions
elevated folds on the surface of the cerebrum that increase the surface area of the brain
CVA
cerebrovascular accident; stroke
Dementia
loss in at least two areas of complex behaviors
Fight or Flight response
body perceives danger and prepares to run away or stand and fight; heart rate increases, mouth becomes dry, and pupils and bronchi dilate
Gyri
convolutions in the brain
Lumbar puncture
a needle is inserted between two vertebrae to remove a sample of cerebrospinal fluid
Neurotransmitter
a chemical messenger that carries, boosts, and balances signals between neurons (ex. Acetylcholine)
Paralysis
the loss of the ability to move (and sometimes to feel anything) in part or most of the body, typically as a result of illness, poison, or injury
Stimulus
something that can elicit or evoke a physiological response in a cell, a tissue, or an organism
arach-
Spider
cephal/o
Head
cerebell/o
Cerebellum
cerebr/o
Cerebrum
Crani/o
Skull
encephalo
Brian
endo-
Within
-esthesia
Sensation, feeling
-graph
instrument used to record an image
hemi-
Half
hydro
Water
Mening
membrane covering the brain
Meyel/o
Spinal cord
