Scrotum and perineal vessels and nerves (dave's notes) Flashcards Preview

Anatomy: pelvis and perineum (based on Dave's notes only so far) > Scrotum and perineal vessels and nerves (dave's notes) > Flashcards

Flashcards in Scrotum and perineal vessels and nerves (dave's notes) Deck (6)
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1
Q

Describe the subcutaneous tissue of the scrotum

A

It has no fat and is part of the panniculus carnosus (dartos muscle). It sends a sheet to the midline septum.

2
Q

What is the nerve supply of dartos?

A

Sympathetic nerves from the genital branch of the genitofemoral nerve.

3
Q

What does the dartos muscle overlie?

A

Colles’ fascia

4
Q

What is the arterial supply to the perineum? By what route does this artery reach the deep perineal pouch?

A

The internal pudendal artery enters the deep perineal pouch from the anterior end of the canal, passing along the ishiopubic ramus. It gives off three sets of arteries.

5
Q

What vein is responsible for most of the drainage of the corpora?

A

The deep dorsal vein

6
Q

What is the nerve supply to the perineum? What are its main branches?

A

The pudendal nerve gives off an inferior rectal branch then divides into dorsal nerve of the penis and the perineal nerve