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Brandon’s Anatomy Flash Cards > Test 2 part 3 > Flashcards

Test 2 part 3 Flashcards

1
Q

Lateral nuclear group function?

A

project general/special sensation from incoming systems to cerebral cortex

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2
Q

Medial nuclear group function?
(and external thalamic reticular formation extension)

A

project information from reticular formation to relay nuclei and then to the cerebral cortex.

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3
Q

Association nuclei function

A

interconnect ipsilateral cerebral cortex with other parts of the cerebral cortex

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4
Q

Hypothalamus function?

A

integration center for autonomic nervous system
Thermoregulation
appetite regulation
thirst regulation
pituitary hormonal regulation

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5
Q

Ant. hypothalamus function

A

parasympathetic integration

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6
Q

Post. hypothalamus function

A

sympathetic integration

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7
Q

Lateral hypthalamus function?

A

hunger center

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8
Q

ventromedial hypothalamus function?

A

satiety center

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9
Q

ant. hypothalamus function?

A

thirst center

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10
Q

preoptic area function?

A

thermoregulation

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11
Q

Pars Anterior

A

Adneohypophysis

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12
Q

Pars Posterior

A

neurohypophysis

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13
Q

What regulates hormone production and release of anterior pituitary?

A

Hypothalamus

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14
Q

Hormones produced and released by Ant. pituitary? (6)

A

thyroid stimulating hormone TSH
adrenocorticotropic hormone ACTH
Follicule-stimulating hormone FSH
luteinizing hormone LH
somatotropin hormone STH or (growth hormone)
Prolactin

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15
Q

Hypothalamus produces what hormones?

A

Vasopressin ADH
Oxytocin

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16
Q

Post pituitary secretes which hormones?

A

Vasopressin ADH
Oxytocin

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17
Q

Function of pars intermedia?

A

produces melanocyte stimulating hormone MSH
causes melanocytes to secrete melanin which darkens skin. it increases during pregnancy.

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18
Q

Epithalamus

A

posteriro to thalamus, habenula is the stalk that connects epithalamus to pineal body.

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19
Q

Pineal body function?

A

secretes melatonin
modulate sleep patterns
don’t really know what it does
might regulate sexual maturity
Calcifies in adolescence

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20
Q

Substania Nigra associated with what disease?

A

parkinson’s disease. degenerative where you loos cells.

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21
Q

Subthalamus function?

A

exert inhibitory influence and prevent dyskinesia-hemiballismus (bad movement)

22
Q

Brodmanns area 1,2,3

A

Post central gyrus

23
Q

Brodmanns area 4

A

pre central gyrus

24
Q

Pre-central gyrus

A

primary motor area (cortex) or primary motor strip
originates most corticospinal tract motor fibers
voluntary fine digital movement

25
Q

Premotor cortex

A

brodmanns area 6
control of trunk and poximal muscles

26
Q

Supplementary motor area (SMA)

A

motor planning
plans the sequence of movements from memory
rather than movements guided by visual cue

27
Q

Frontal eye fields

A

brodmanns area 8
voluntary control of extraocular movements

28
Q

Prefrontal cortex function?

A

CEO of brain
executive control
personality
emotions and control
problem solving
reasoning
decision making
memory

29
Q

Brocas Area

A

pars triangularis and P opercularis
drive motor (expressive) speech
dominant on teh left side 80-95% of people
lession-expressive aphasia (common from stroke)
can still use profanity with expressive aphasia

30
Q

Post Central Gyrus

A

primary somesthetic sensory area. I.E primary receiving area for general sensation.
Brodmanns area 1,2,3
follow homuncular pattern

31
Q

General sensation

A

pain
temperature
tactile seense
fine touch and pressure
stereognosis
2 point discrimination
kinesthetic sense (conscious proprioception)
vibration

32
Q

VPL?

A

Ventral posterior lateral nucleus
general sensory fibers from body coming in and directed to relay nucleus of thalamus

33
Q

VPM?

A

Ventral posterior medial nucleus gets sensory info coming in from the face.

34
Q

General sensory association cortex

A

process general sensory information
in parietal lobe

35
Q

Inferior parietal lobule made of?

A

supramarginal gyrus
angular gyrus

36
Q

Supramariginal gyrus function?

A

integratoin center, provides sensory tactile feedback to guide motor tasks.

Speech comprehension

wernicke’s area (temporal lobe and wernicke’s area)

37
Q

Disorder of supramarginal gyrus cause?

A

dypraxia/apraxia
receptive aphasia

38
Q

Dyspraxia

A

Basically can’t process tactile information.
ideamotor: know what to do but cannot do it

ideational: does not know what to do or how to do it.

39
Q

Supplementary motor area dysfunction

A

can’t perform sequence of movements from memory

40
Q

angular gyrus function

A

reading association

41
Q

agular gyrus dysfunction

A

dyslexia - any reading disorder
agraphia - cant write
acalculia - can’t do simple calculations
finger agnosia - can’t identify fingers that are held up
left-right disorientation

42
Q

How much of brain is association cortex?

A

80-85%

43
Q

Primary visual area receives information from?

A

Thalamic visual relay nuclei
(lateral geniculate nuclei)

44
Q

Cortical blindness

A

issue with primary visual cortex. cant see at all.

45
Q

association cortex blindness

A

you can actually see, but can’t tell what it is.

46
Q

Visual association cortex

A

occipital lobe outside of primary visual area

47
Q

function of visual association cortex

A

integration and interpretation of visual information

48
Q

Visual agnosia

A

you can see, but don’t know what you are looking at.

49
Q

Function of anterior transverse temporal gyri

A

primary auditory area
gets send information from medial geniculate body
(relay nucleus) of thalamus.

50
Q

Wernikie’s speech area

A

speech association area
dominant on left for most people.
supramarginal gyrus and angular gyrus?

51
Q

Arcuate fasiculus

A

fibers connecting broca’s area to wernicke’s area
speeds up process

Brandon’s Anatomy Flash Cards (20 decks)

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