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The Brain Word Scramble

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word(s)	definition
cerebrum	thinking part of brain/ has lobes
Blood Brain Barrier	maintains a stable environment for brain/ prevents flux of hormones, ions and amino acids
meninges	coverings of the brain
dura mater	outermost meninx/ double-layered/ means tough mother
arachnoid mater	never dips into sulci/ loose brain covering
subdural space	narrow cavity between AM and DM
subarachnoid space	space between AM and PM/ filled with CSF
pia mater	gentle mother/ delicate tissue/ clings tightly to the brain
cerebrospinal fluid	watery, plasmalike fluid in brain containing glucose, urea, cations and some WBCs
roles of CSF	mechanical and chemical protection, circulation
medulla oblongata	has a cross over of motor fibers
pons	relat station for brain
inferior colliculi	startle reflex (auditory)
superior colliculi	visual reflex
cerebellum	coordinate voluntary movements/ receives and processes inputs/ provides timing for movements
diencephalon	central core of forebrain
thalamus	edits and sorts information coming to cerebrum
hypothalamus	main visceral control center
autonomic control center	involuntary/ BP, pupil size, heart rate
epithalamus	produces melatonin/ regulates sleep/wake and mood cycles
cerebral cortex	another word for gray matter
gyri	elevated ridges of tissue
sulci	shallow groove between gyri
fissure	deeper groove than gyri
cerebral white matter	myelinated nerve fibers grouped into large tracts
association tract	connect area within single hemi/ connect adjacent gyri and specific lobes
commissural tract	corpus callosum/ connect corresponding areas of right and left hemis
projection tract	ties cortex with the rest of nervous system
limbic system	the "emotional brain"
functions of cerebral cortex	consiousness, perception, communication, memory, appreciation, and understanding
sensory area	mediate concsious awareness of sense information
motor area	control voluntary movements
association area	integrate information for purposeful action
contra-lateral	term used when each hemisphere is concerned with sensory and motor functions of the OPPOSITE side of the body
lateralization	term used when two hemispheres are not entirely equal but there is some specialization