extra Flashcards

1
Q

accesory oldfactory bulb pathway for phermone detection

A

VNO

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2
Q

what is necessary to discriminate taste

A

topography (connectivity) and activity patterns

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3
Q

what generates AP in nose

A

olfactory receptor cells unlike taste cells which have separate structures

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4
Q

where is odor first detected

A

in cilia

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5
Q

chemotropic map

A

recognizes different molecular structures at different parts of olfactory bulb

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6
Q

what are the three layers in the chochlea

A

vestibular duct
choclear duct containing basiliar membrane where hair cells are
tympanic duct

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7
Q

terminal buttons of endplate

A

many terminal buttons per endplate of skeletal muscle

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8
Q

what displays vasicosities

A

ANS

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9
Q

Pupils during relaxation/ parasympathetic

A

constricted

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10
Q

ganglion

A

where info from CNS goes to PNS

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11
Q

structure of autonomic pathway

A

preganglion to
ganglion to
postganglion

(two neurons total)

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12
Q

how many neurons are in the autonomic pathway

A

two

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13
Q

where are autonomic control centres in the brain

A

subcortical

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14
Q

where is pupilary reflex

A

in midbrain

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15
Q

respiration and urinary bladder

A

pons

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16
Q

respiration
cardiac
vomiting
swallowing

A

medulla

17
Q

visceral reflex

A

spinal chord

18
Q

what is released at the ganglion

A

acetylcholine

19
Q

sympathetic neurotransmitter

A

norepenephrin

20
Q

parasympathetic neurotransmitter

A

acetylcholine

21
Q

where are the additonal ganglia for sympathetic ganglia

A

descending aorta at origin of abdomial arteries (celiac and mesentric ganglia)

22
Q

sympathetic axon distance

A

short preganglion
long postganglion, farther from target

23
Q

where does the white ramus go

A

ganglion chain

24
Q

what fibres is white ramus

A

preganglion

25
Q

where does grey ramus go

A

joins spinal nerves

26
Q

what fibres is grey ramus

A

postganglionic fibres

27
Q

modified sympathetic output

A

adrenal medulla (postsynaptic sympathetic neurons)

28
Q

adrenal medulla axons

A

dont have axons so release to blood

29
Q

what do 3, 7, 9 cranial nerves innervate

A

salivary glands and eye muscles

30
Q

what gives rise to the parasympathetic fibres that innervate pelvic organs

A

sacral chord s2-4

31
Q

what are peripheral arterioles and sweat glands invervated by

A

sympathetic nerves only

32
Q

parasympathetic from vagus percentage

A

75%

33
Q

ganglia in parasympathetic

A

on or near effector organs

34
Q

ganglia in sympathetic

A

near spinal chord