Lecture 21 DA

Question 1

What does the ANS innervate?

Answer 1

Everything aside from skeletal muscles.

Question 2

Are sympathetic ganglia more distant to the organ?

Answer 2

Yes.

Question 3

Are parasympathetic ganglia more distant to the organ?

Answer 3

No, the are close to or within the organ.

Question 4

Where does the pelvic floor and lower bowels get its autonomic supply?

Answer 4

From the inferior hypogastric plexus.

Question 5

Is there any sexual dimorphism in pelvic floor nerves?

Answer 5

Males have more nerves, but the density is higher in females.

Question 6

What is the clinical significance of the inferior hypogastric plexus?

Answer 6

It can be damaged in prostatectomy, hysterectomy and cystectomy, and can be mistaken for another structure or remain unidentified as there are so many branches.

Question 7

What is the pelvic nerve?

Answer 7

The inferior hypogastric nerve compacts to a single nerve called the pelvic nerve. It is parasympathetic in rats.