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Anatomy > ANS > Flashcards

ANS Flashcards

1
Q

ANS supplies

A

smooth muscle of vasculature, gut tube and ducts, cardiac pacemaker cells, sweat glands

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2
Q

ANS divided into

A

sympathetic and parasympathetic

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3
Q

pre ganglionic neurone in sympathetic

A

short and cell body in spinal cord

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4
Q

pre ganglionic neurone in parasympathetic

A

very long and cell body in medulla or spinal cord

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5
Q

post ganglionic neurone of the sympathetic

A

long

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6
Q

post ganglionic neurone of the parasympathetic

A

short

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7
Q

sympathetic ganglia location

A

medially - paravertebral or preaortic

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8
Q

parasympathetic supplies

A

splanchnopleure derived

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9
Q

sympathetic supplied

A

somato and splanchno derived

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10
Q

ganglia position of parasympathetic

A

near or on target organ

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11
Q

pre: post ganglionic ratio of sympathetic

A

high - 1:20 - divergent and global

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12
Q

pre:post ganglionic ration of parasympathetic

A

low - 1:5 - convergent and specific

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13
Q

vertebral segments of sympathetic roots

A

thoracic and lumbar

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14
Q

vertebral segments of parasympathetic roots

A

brain and pelvic splanknics

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15
Q

action of sympathetic

A

fight or flight

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16
Q

action of parasympathetic

A

rest and digest

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17
Q

sympathetic heart rate and sweat gland effect

A

increase

18
Q

parasympathetic heart rate and sweat glands effect

A

decrease

19
Q

pupil size sympathetic effect

A

dilation

20
Q

pupil size parasympathetic effect

A

constriction

21
Q

gut sympathetic effect

A

decrease

22
Q

gut parasympathetic effect

A

increase

23
Q

bone effect sympathetic

A

increased resorption

24
Q

2 components of parasympathetic

A

vagus nerve and pelvic splanchnic nerves

25
Q

vagus nerve innervates

A

thoracic, foregut and midgut

26
Q

vagus nerve enteres

A

abdomen at either side of the oesophagus

27
Q

pelvic splanchnic nerves supply

A

hindgut and pelvic organs

28
Q

pelvic splanknic nerves pass through

A

inferior and superior hypogastric plexuses

29
Q

pelvic splanchnic nerve passing through inferior hypogastric

A

nerves to rectum and pelvic viscera

30
Q

pelvic splanchnic nerves passing through superior hypogastric

A

nerves to hindgut organs

31
Q

foregut location

A

epigastric region T5-T9

32
Q

midgut location

A

umbilical region T9-11

33
Q

hindgut location

A

hypogastric region T11-L1

34
Q

visceral pain

A

dull poorly felt pain

referred to where sympathetic nerve is defined

35
Q

somatic pain from viscera

A

pain felt locally on body wall when the affected organ touches it

36
Q

T1-5

A

cardiopulmonary splanchnics

go to the heart

37
Q

T5-9

A

greater splanchnic nerves
supply the foregut
goes to celiac ganglion to synapse and post synaptic nerve goes to the foregut organs
OR goes directly to the adrenal medulla

38
Q

T9-11

A

lesser splanchnic nerve supplies the midgut by synapsing with ganglion at the base of the superior mesenteric artery
also travels to articorenal ganglia (junction of the aorta and the renal artery) supplies the kidneys and upper half of the ureter
also travels to the adrenal medulla

39
Q

T12

A

least splanchnic nerve supplied the gonads -
synapses in inferior mesenteric plexus
post synaptic nerve travels down the gonadal artery to innervate the gonads

40
Q

L1-5

A

lumbar ganglion
synapses in the inferior mesenteric plexus inferior mesenteric ganglion to supply the hindgut
OR supply the gonads
OR travel into the limbs

41
Q

sacral ganglia

A

sinapse in the inferior hypogastric plexus and supply the hindgut
also travel from inferior hypogastric plexus to superior hypogastric plexus and supply the superior pelvic viscera
OR go through both and synapse in the inferior mesenteric ganglion to supply the hindgut
or supply sympathetic innervations of the lower limb

Anatomy (16 decks)

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