Penis Flashcards Preview

Board Review: General Anatomy Reproductive Anatomy > Penis > Flashcards

Flashcards in Penis Deck (10):
1

The penis is 4-6 inches long and is a distensible organ which has two dorsally located blood filled what?

Corpora cavernosa

2

The penis has a single inferiorly located what?

Corpus spongiosum

3

The corpora are enclosed within a fibrous sheath known as what?

Buck's fascia

4

What is contained within the corpus spongiosum?

Penile Urethra

5

What is the expanded distal end of the corpus spongiosum?

Glans penis

6

What is the penis covered by?

Hairless skin with very little fat

7

The penis is supplied by the deep penile and dorsal penile branches of the what?

Internal pudendal A

8

The penis is innervated by what?

Penile branches of pudendal N
Branches of pelvic splanchnic N from S2,3,4
*S2,3,4 keep penis off floor*

9

What is responsible for erection (point)?

Parasympathetic stimulation

10

What is responsible for ejaculation (shoot)?

Sympathetic stimulation