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Pelvis > Autonomic Innervation of Abdominopelvic region > Flashcards

Autonomic Innervation of Abdominopelvic region Flashcards

1
Q

Which part of the spinal cord provides SNS

A

Thoracolumbar region

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2
Q

Which part of the spinal cord provides PNS

A

Craniosacral region

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3
Q

What are the effects of the ANS on the Longitudinal and Circular muscle fibres of teh GIT

A

SNS: no motility
PNS: motility

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4
Q

What are the effects of the ANS on the Spincter muscles of the GIT

A

SNS: Contraction
PNS: relaxation

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5
Q

What are the effects of the ANS on the Glands of teh GIT

A

SNS: No secretion
PNS: Secretion

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6
Q

What are the effects of the ANS on the Splenic Capsule

A

SNS: Contraction
PNS: No effect

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7
Q

What are the effects of the ANS on the Pancreas

A

Exocrine pancreas:
SNS: no secretion
PNS: secretion

Endocrine pancreas
SNS: Insulin secretion
PNS: no effect

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8
Q

What are the effects of the ANS on the Urinary Bladder

A

Functional Bladder Sphincter:
SNS: Contraction
PNS: Relaxation

Detrusor Muscle:
SNS: Relaxation
PNS: Contraction

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9
Q

What are the effects of the ANS on the Seminal vesicle and ductus deferens

A

SNS: contraction (ejaculation)
PNS: no effect

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10
Q

What are the effects of the ANS on the uterus

A

SNS: Contraction or relaxation (depending on hormonal status)

PNS: No effect

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11
Q

What are the effects of the ANS on the arteries

A

SNS: Vasoconstriction
PNS: Vasodilation of the arteries of penis and clitoris (erection)

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12
Q

What are the effects of the ANS on the suprarenal glands (medulla of)

A

SNS: release of adrenalin
PNS: no effect

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13
Q

What are the effects of the ANS on the urinary tract

A

SNS: Vasoconstriction (urine formation)
PNS: Vasodilation

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14
Q

Explain how referred pain works

A

Convergence of:

  • somatic fibres
  • visceral afferent fibres

to a common level of the spinal cord,

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15
Q

Where is pancreatic pain referred

A

Area above umbilicus right around the torso

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16
Q

Where is stomach pain referred

A

To area near stomach

17
Q

Where is liver pain reffered

A

To:

-where liver is

18
Q

Where is gallbladder pain referred

A

To:

  • where gallbladder is
  • Shoulder region
19
Q

Where is small intestine pain referred

A

To area encircling the umbilicus

20
Q

Where is large intesting pain referred

A

To area just under the umbilicus

21
Q

Where is bladder pain referred

A

To area where bladder is

22
Q

Where is gonadal pain referred

A

To inguinal canal

23
Q

What are the autonomic plexuses in the abdomen and pelvis

A 
Celiac plexus
Superior mesenteric plexus
Inferior mesenteric plexus
Superior hypogastric plexus
Inferior hypogastric plexus (NB there are 2 as they are along the inguinal vessels)
24
Q

What does the Vagus nerve supply in the abdominal region

A

Foregut and midgut associated organs (up till the splenic flexture)

25
Q

Which plexuses does the Vagus nerve supply in the abdomen

A

Superior mesenteric plexus

26
Q

What nucleus is the SNS supply for the testis?

A

Renal gangion (see pl. 394)

Pelvis (9 decks)

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