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A&P lab > brain, nerves, spinal cord functions > Flashcards

brain, nerves, spinal cord functions Flashcards

1
Q

cerebral aquaduct

A

connects 3rd and 4th ventricle part of midbrain

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2
Q

optic tracts

A

relay info from optic chiasma to parts in brain

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3
Q

infundibulum

A

passageway for hormones from pituitary gland

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4
Q

olfactory bulbs

A

sensory input and output

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5
Q

olfactory tracts

A

signal transmitted down the tracts and end in primary olfactory area of temporal lobe

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6
Q

optic nerves

A

transfer visual info from retina to the vision centers of the brain via electrical impulses

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7
Q

optic chiasma

A

connects brain to the eye

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8
Q

pituitary gland

A

produce critical hormones

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9
Q

thalamus

A

relay motor and sensory signals to cerebral cortex

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10
Q

hypothalamus

A

link nervous system to endocrine system via pituitary gland

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11
Q

mammillary bodies

A

relay stations in olfactory passageways

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12
Q

brain stem

A

controls flow of message between brain and rest of the body

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13
Q

pons

A

relay signals from forebrain to cerebellum (helps w breathing, sleeping, facial expressions)

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14
Q

medulla oblongata

A

controls autonomic nervous system

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15
Q

cerebellum

A

controls voluntary movements such as posture and balance

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16
Q

2 hemispheres

A

left - controls right side of body, logic tasks (science)

right - left side of body, tasks of creativity

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17
Q

cerebral cortex

A

where most info processing occurs, divided into 4 lobes

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18
Q

vermis

A

muscle tone for posture and locomotion

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19
Q

arbor vitae

A

brings sensory and motor info to and from the cerebellum

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20
Q

lymbic system

A

deals w emotion and formation of memories

21
Q

cingulate gyrus

A

functions in emotion and behavior

22
Q

hippocampus

A

memory and spatial navigation

23
Q

frontal lobe

A

motor functions, planning, reasoning, judgement

24
Q

parietal lobe

A

sensory info - taste, temp, touch

25
Q

temporal lobe

A

processing auditory info from the ear

26
Q

occipital lobe

A

visual processing info center

27
Q

corpus callosum

A

connects the 2 hemisphere to help communicate and coordinate

28
Q

fornix

A

connects hippocampus to mammillary body and thalamus

29
Q

basal ganglia

A

helps w motor functions

30
Q

lateral ventricles

A

contains fluid that helps cushion the brain

31
Q

diencephalon

A

controls many autonomic functions, relays sensory info between the brain

32
Q

anterior median fissure

A

divides the spinal cord into symmetrical halves

33
Q

posterior median fissure

A

separates posterior funiculi and the external boundary of posterior median septum

34
Q

central canal

A

structure w/in spinal cord that holds the spinal cord and nerves

35
Q

ventral gray horns

A

contains motor neurons that deal w the muscle activity

36
Q

dorsal grey horns

A

sensory relay neurons that receive info from the periphery

37
Q

I: olfactory

A

afferent, smell

38
Q

II: optic

A

afferent, vision

39
Q

III: oculomotor

A

efferent, eyeball and eyelid movement

40
Q

IV: trochlear

A

efferent, move eyeball down and laterally

41
Q

V: trigeminal

A

mixed, chewing face/mouth

42
Q

VI: abducens

A

efferent, turns eyeball laterally

43
Q

VII: facial

A

mixed, facial expressions and taste receptors

44
Q

VIII: vestibulocochlear

A

afferent, hearing

45
Q

IX: glossopharyngeal

A

mixed, senses carotid blood pressure

46
Q

X: vagus

A

mixed, slows heart rate

47
Q

XI: spinal accessory

A

mixed (primary efferent), controls trapezius and sternocleidomastoid

48
Q

XII: hypoglossal

A

mixed (primary efferent), controls tongue movement

A&P lab (1 decks)

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