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Anatomy of the Human Brain: Terms and Definitions, Quizzes of Biology

Definitions and terms related to the human brain, including the cerebrum, gyri and sulci, lobes, central structures, and various brain regions. It covers the functions and locations of motor areas, sensory areas, association areas, and deep structures, as well as the role of the corpus callosum and ventricles.

Typology: Quizzes

2012/2013

Uploaded on 11/10/2013

shannon-keene17
shannon-keene17 🇺🇸

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TERM 1
cerebrum
DEFINITION 1
highly folded, uppermost part of braintwo halves are called
hemispheres (R/L)
TERM 2
gyrus
DEFINITION 2
elevation on the cerebrum (hills)
TERM 3
sulcus
DEFINITION 3
depression/groove on cerebrum (valleys)
TERM 4
lobes
DEFINITION 4
named according to which bone protects it
TERM 5
central sulcus
DEFINITION 5
boundary between frontal and parietal lobes
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cerebrum

highly folded, uppermost part of braintwo halves are called

hemispheres (R/L)

TERM 2

gyrus

DEFINITION 2

elevation on the cerebrum (hills)

TERM 3

sulcus

DEFINITION 3

depression/groove on cerebrum (valleys)

TERM 4

lobes

DEFINITION 4

named according to which bone protects it

TERM 5

central sulcus

DEFINITION 5

boundary between frontal and parietal lobes

pre-central gyrus

directly in front of central sulcus on frontal lobe

TERM 7

post-central gyrus

DEFINITION 7

posterior to central sulcus on parietal lobe

TERM 8

longitudinal fissure

DEFINITION 8

gap between 2 hemispheres

TERM 9

lateral sulcus

DEFINITION 9

between temporal lobe and the ones above it

(frontal/parietal)

TERM 10

cortex

DEFINITION 10

"bark", tissue closest to surface composed of gray

matterwhere consciousness happens (sensory awareness)

corpus callosum

band of fibers that connects 2 hemispheres

TERM 17

ventricles

DEFINITION 17

cavities within the brain, 4 of themfilled with CSF

TERM 18

lateral ventricles

DEFINITION 18

left/right "C" shaped

TERM 19

3rd ventricle

DEFINITION 19

where 2 lateral ventricles come together

TERM 20

4th ventricle

DEFINITION 20

at level of brainstem

subarachnoid space

where CSF is found around brain/spinal cord

TERM 22

diencephalon

DEFINITION 22

superior to the brainstem and surrounded by cerebral

hemispheres

TERM 23

thalamus

DEFINITION 23

part of brain that surrounds 3rd ventriclerelay center for

sensory information to proper part of cortex

TERM 24

hypothalamus

DEFINITION 24

below thalamusregulates fluid environment within our bodies

(temp, comp. of fluid)

TERM 25

pituitary gland

DEFINITION 25

hangs by a stalk from the hypothalamussits in the sella

turcicasecretes hormones

medulla oblongata

regulates heart rate/breathingcontinuous with spinal cord

TERM 32

cerebellum

DEFINITION 32

attached to posterior surface of brain stemreceives sensory

info about body position (proprioception)coordinates

movement

TERM 33

proprioception

DEFINITION 33

sense of where our body parts are

TERM 34

hippocampus

DEFINITION 34

storage of memory/ability to recall memoryat top of temporal

lobe

TERM 35

amygdala

DEFINITION 35

plays a role in angerat top of temporal lobe

limbic system

collection of brain partswhere we experience emotion

TERM 37

reticular formation

DEFINITION 37

found in the brain stemtract of fibers (maintain alertness of

cortex)

TERM 38

meninges

DEFINITION 38

connective tissue around the brain and cord

TERM 39

dura mater

DEFINITION 39

durableoutermost

TERM 40

arachnoid mater

DEFINITION 40

web-likemiddle

cauda equina

"horses tail", all the nerves within vertebral canal but below

the spinal cord

TERM 47

cross section

DEFINITION 47

outer white matter: closer to surfaceinner gray matter: deep

TERM 48

ascending spinal cord tract

DEFINITION 48

sensory info in up to the brain

TERM 49

descending spinal cord tract

DEFINITION 49

motor info from brain to appropriate level in spinal cord

TERM 50

spinal nerves

DEFINITION 50

come off spinal cord