pubic anatomy Flashcards

1
Q

Main muscle of daefacation

A

Between pubis and rectum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Arterial supply of the rectum

A

Superior rectal : inferior mesenteric artery

Middle rectal: internal illiac

Inferior rectal: Internal pudendal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Lymphatic drainage of the rectum and anal canal

A

Anal canal: superficial inguinal

Rectum: external iliac and sacral

Sup. rectum: sacral

Sacral goes to para-aortic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Nervous signalling in daefacation

A

Stretch receptors activate parasympathetics (S2-4)

Lumbar sympathetics are inhibited (L1,2) involuntary sphincter relaxes.

Somatic nerves inhibited via pudendal nerve, voluntary sphincter relaxes.

Parasympathetic efferents are activated, peristalsis and mass movement are activated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly