Forebrain and receptors Flashcards

1
Q

Epithalamus

pineal gland

A

secrets melatonin which appears to regulate the bodies inner clock

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2
Q

Epithalamus

choroid plexus

A

a network of capillaries. One of the primary functions is to produce cerebrospinal fluid (CSF) via the ependymal cells that line the ventricles of the brain.

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3
Q

Thalamus

Thalamus

A

2 oval masses centrally located in the center of the brain

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4
Q

Thalamus

what is the major function of the thalamus?

A

relay point and processing center for all sensory impulses going to the cerebral cortex

expect for smell

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5
Q

telencephalon (cerebrum)

describe the telecephalon

gray matter?

A

consists of an outer gray matter, cerbral cortex; and inner white matter (contains myleainted axons)

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6
Q

telencephalon (cerebrum)

raised/elevation

A

gyrus

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7
Q

telencephalon (cerebrum)

shallow groove

A

sulcus

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8
Q

telecephalon (cerebrum)

deep groove

A

fissure

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9
Q

Lobes (frontal)

what is the frontal lobe seperated from?

A

seprerated from parietal lobe by central sulcus

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10
Q

Lobes (frontal)

What does the frontal lobe contain?

(MSA, PMC)

A

1) motor speech area
2) primary motor cortex

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11
Q

Lobes (frontal)

motor speech area

A

controls the skelatal muscle movements necessary for vocalization (speech)

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12
Q

Lobes (frontal)

primary motor cortex

A

located in the precentral gyrus and controls the direction of movement

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13
Q

lobes (parietal)

where does the parital lobe end?

A

ends anteriorly at the central sulcus; lateral limit at the lateral sulcus; posterior limit at the parietaoccipitus

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14
Q

lobes (parietal)

what does the parietal lobe contain?

(PSSC, WA)

A

1) primary somatosensory cortex
2) wernicke’s area

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15
Q

lobes (parietal)

primary somatosensory cortex

A

recieves info from the skin, pain, pressure, temp, and touch + texture and shape. It is located in the past central gyrus of each parital lobe

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16
Q

lobes (parietal)

wernicke’s area

A

recognizing, understanding, and comphrending spoken and written language

17
Q

lobes (temporal)

what does the temporal lobe contain?

(PAC, AAA)

A

1) primary auditory cortex
2) auditory association area

18
Q

lobes (temporal)

primary auditory cortex

A

receives and processes auditory information

19
Q

lobes (temporal)

auditory association area

A

interprets sounds and stores auditory memories

20
Q

lobes (occipital)

what does the occipital lobe contain?

(PVC, VAA, I)

A

1) primary visual cortex
2) visual association area
3) insula

21
Q

lobes (occipital)

primary visual cortex

A

recieves and processes incoming visual information

22
Q

lobes (occipital)

visual association area

A

allows us to idenitfy things we see

23
Q

lobes (occipital)

insula

A

deep to lateral sulcus; invloved with interpretation of tatse and memory (long term)

24
Q

receptors

exterocepters

A

responds to stimuli from external envoirments

25
# recpetors unencapsulated recpetors | FNE, RHP, TD
- free nerve endings - root hair plexus - tactile discs
26
# recpetors free nerve endings
primary to pain and temp
27
# recpetors root hair plexus
detect hair movements
28
# recpetors tactile discs
light pressure recpetors
29
# recpetors encapsulated receptors | ( EB, LC, BC, TC)
1) end bulb 2) lamellated corpuscle 3) bulbous corpuscle 4) tacticle corpuscle
30
# recpetors end bulb
light pressure, low frequency vibration
31
# recpetors lamellated corpuscle
deep pressure, high frequency vibrations
32
# recpetors bulbous corpuscle
deep pressure
33
# recpetors tactile corpuscle
light pressure
34
# recpetors visceroceptors
stretch receptors in smooth muscle of blood vessels and hollow organs
35
# recpetors proprioceptors
provides info about the muscle, joimt, and tendon position