brain Flashcards

1
Q

primary brain vesicles

A
  • prosencephalon (forebrain)
  • mesencephalon (midbrain)
  • rhombencephalon (hindbrain)
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2
Q

secondary brain vesicles

A
  • telencephalon
  • diencephalon
  • mesencephalon
  • metencephalon
  • mylencephalon
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3
Q

telencephalon (adult)

A
  • cerebral hemispheres including basal nuclei
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4
Q

diencephalon (adult)

A
  • thalamus, hypothalamus, epithalamus, sub thalamus, retina
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5
Q

mesencephalon (adult)

A
  • midbrain
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6
Q

metencephalon (adult)

A
  • pons

- cerebellum

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7
Q

mylencephalon (adult)

A
  • medulla oblongata
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8
Q

prosencephalon (secondary)

A
  • telencephalon

- diencephalon

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9
Q

mesencephalon (Secondary)

A
  • mesencephalon
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10
Q

rhombencephalon (secondary)

A
  • metencephalon

- telencephalon

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11
Q

lateral ventricles run

A
  • cerebral hemispheres
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12
Q

3rd ventricle runs

A
  • all thalamus
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13
Q

cerebral aqueduct runs

A
  • midbrain
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14
Q

4th ventricle runs

A
  • pons, cerebellum, medulla
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15
Q

central canal

A
  • spinal cord
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16
Q

parts of cerebrum

A
  • cerebral cortex
  • cerebral medulla
  • basal nuclei
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17
Q

cerebral cortex

A
  • gray matter

- cell bodies and dendrites of neurons of the cerebral lobes

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18
Q

cerebral medulla

A
  • white matter
  • axons of neurons
  • association fibers
  • commissural fibers
  • projection fibers
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19
Q

basal nuclei

A
  • internal gray matter/ islands of gray inside white matter

- cell bodies and dendrites of subcortical neurons

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20
Q

frontal lobe

A
  • somatic motor areas
  • premotor cortex
  • primary somatic motor cortex: cell bodies of upper motor neurons
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21
Q

parietal lobe

A
  • sensory areas and related association areas
  • primary somatosensory cortex: axon terminals of somatic sensory
  • somatosensory association cortex
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22
Q

pre central gyrus

A
  • primary motor cortex
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23
Q

postcentral gyrus

A
  • primary somatosensory cortex
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24
Q

occipital lobe

A
  • vision
  • visual association area
  • primary visual cortex
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25
Q

temporal lobe

A
  • hearing
  • primary auditory cortex
  • auditory association cortex
26
Q

broca’s area

A
  • language
  • forming words
  • control tongue, lips, cheeks
  • motor part of speech
  • in frontal lobe
27
Q

wernicke’s area

A
  • language
  • interpret what you are hearing and associate meaning to sound
  • temporal and parietal lobes
28
Q

piriform lobe

A
  • olfaction
  • primary olfactory complex
  • olfactory signals go straight to piriform lobe, skipping the thalamus
29
Q

insular lobe

A
  • visceral sensation (heart racing, stomach hurts)
  • gustatory cortex
  • vestibule cortex
30
Q

anterior association area

A
  • prefrontal cortex
  • memory, planning, higher order function, intellect, learning
  • matures slowly
31
Q

posterior association area

A
  • junction of occipital, temporal and parietal lobes
  • wernicke’s area
  • perception and language
  • organizing sensory info
32
Q

basal nuclei

A
  • involved in somatic motor control
33
Q

diencephalon

A
  • everything thalamus and retina
34
Q

thalamus

A
  • relay center for info going to and from cerebral cortex
35
Q

sub thalamic nuclei

A
  • work with basal nuclei in somatic motor control
36
Q

epithalamus

A
  • pineal gland and habenula
37
Q

pineal gland

A
  • stimulated to produce melatonin and inhibited by light
38
Q

habenula

A
  • multiple nuclei that affect sleep/wake cycle, pain, reward processing, reproductive behavior, nutrition, stress responses and learning
39
Q

hypothalamus

A
  • visceral control center of body
  • ANS control center
  • control center of endocrine system
  • regulate sleep/wake cycle
  • body temperature
  • hunger and satiety
  • osmoreceptors (thirst)
40
Q

Brainstem

A
  • midbrain
  • pons
  • medulla
41
Q

midbrain

A
  • tectum
  • tegmentum
  • cerebral peduncles
42
Q

tectum

A
  • corpora quadrigemini
      • superior colliculi
      • inferior colliculi
43
Q

superior colliculi

A
  • visual reflexes (movement of head, eyes, and body toward stimulus)
44
Q

inferior colliculi

A
  • hearing reflexes and coordination of hearing and vision
45
Q

tegmentum

A
  • nuclei of cranial nerves
  • medial lemniscus
  • reticular formation
  • red nuclei
  • substantia nigra
46
Q

medial lemniscus

A
  • tracts of sensory axons
47
Q

reticular formation

A
  • filters sensory info
48
Q

red nuclei

A
  • nuclei for somatic motor
49
Q

substantia nigra

A
  • involved in somatic motor
50
Q

cerebral peduncles

A
  • motor axons
51
Q

pons

A
  • medial lemniscus
  • tracts of motor axons
  • pontine nuclei
52
Q

pontine nuclei

A
  • nuclei of cranial nerves
  • reticular formation
  • connect motor cortex to the cerebellum
  • respiratory center
53
Q

medulla oblongata

A
  • nuclei of cranial nerves
  • medial lemniscus
  • pyramids
  • olives
  • reticular formation
  • centers for other reflexes
54
Q

medulla pyramids

A
  • tracts of motor axons
55
Q

medulla olives

A
  • inferior olivary nuclei

- relay proprioception to cerebellum

56
Q

medulla reticular formation

A
  • vasomotor (arterial diameter), cardiac, respiratory centers
57
Q

medulla centers for other reflexes

A
  • swallowing, hiccuping committing, coughing, sneezing
58
Q

cerebellum receives info from

A
  • cerebrum via thalamus (somatic motor, vision, balance)
  • proprioceptors
  • vestibular nuclei of brainstem
59
Q

parts of cerebellum

A
  • lateral hemispheres separated by vermis

- flocculonodular lobe

60
Q

lateral hemispheres/vermis of cerebellum

A
  • plan body movements
61
Q

flocculonodular lobes

A
  • receive sensory info form vestibular and visual system

- adjust posture and eye movements to maintain balance