Vocabulary Terms 1-36 Flashcards
(36 cards)
hormones
chemical messengers; produced in one tissue/affect another
endocrine system
body’s slow chemical communication system
adrenal glands
arouse the body in times of stress
pituitary gland
most influential gland; regulates growth
lesion
tissue destruction
EEG (electroencephalogram)
amplified recording of waves
CT scan (computed tomography)
x-Ray image
PET scan (positron emission tomography)
visual display of brain activity
MRI scan (magnetic resonance imaging)
uses magnetic fields and radio waves
fMRI scan (functional mag. resonance imaging)
revealing blood flow/brain activity
brainstem
oldest part and central core of the brain
medulla
base of brainstem; breathing and digestion
reticular formation
nerve network in the brainstem
thalamus
brain’s sensory switchboard
cerebellum
attached to rear of the brainstem; balance, posture, coordination
limbic system
doughnut-shaped system of neural structures; emotions and drives
hippocampus
formation of memories
amygdala
two Lima bean-sized neural clusters; emotions and motivations; related to survival
hypothalamus
neural structure lying below the thalamus; directs several maintenance activities
cerebral cortex
body’s ultimate control and information-processing center
glial cells
support, nourish, protect neurons
frontal lobes
behind the forehead; speaking and muscle movements; making plans/judgments
parietal lobes
top of the head/toward the rear; touch and body position
occipital lobes
back of the head; visual areas