EXTERNAL GENETALIA (PENIS) & PERINEUM

Question 1

Main organ of copulation that delivers the sperm into the female reproductive tract
* Consists of an attached __ and a free __ that ends in an enlarged tip called __

Answer 1

Penis
* Consists of an attached root and a free body that ends in an enlarged tip called Glans Penis

Question 2

The skin covering og the peis that is loose and extends distally is called as

Answer 2

Prepuce or Foreskin

Question 3

What structures are found within the penis

Answer 3

1. Spongy Urethra
2. 3 Long Erectile Bodies

Question 4

Mid-ventral erectile body surrounding the spongy urethra
* Distal: where is forms the __
* Proximal: forms the __

Answer 4

Corpus Spongiosum
* Distal: forms the Glans Penis
* Proximal: forms the Bulb of the Penis

Question 5

The bulb of the penis is secured to the __ and is covered by __

Answer 5

Secured to the Urogenital Diaphragm
Covered by: Bulbospongiosus

Question 6

Paired dorsal erectile bodies that make up most of the mass of the penis
* Proximal:

Answer 6

Corpora Cavernosa
* Proximal: Crura of the Penis

Question 7

The Crura of the Penis is
* Anchored to the __
* It is covered by __

Answer 7

• Anchored to the pubic arch of the bony pelvis
• Covered by Ischiocavernosus muscle

Question 8

Main Blood supply of the Penis
* Branch of __
* Blood vessel that runs within each Corpus Cavernosum
* Most main vessels and nerves lie near the __

Answer 8

Dorsal Arteries
* Branch of Internal Pudendal a <= Internal Iliac
* Corpus Cavernosum : Deep Artery
* Dorsal Midline

Question 9

tMain venous drainage of the penis
* location

Answer 9

Dorsal Vein
* lie precisely at the dorsal midline

Question 10

Nerve innervation of the penis
* Branch of the __ from the __
* Nerves that supply the Erecctile Bodies

Answer 10

Sensory Dorsal nerves
* Branch of the Pudendal n of the Sacral Plaxus
* Autonomic Nerves (from the Inf. Hypogastric Plexus)

Question 11

The Male Perineum is composed of

Answer 11

• Scrotum
• Root of the Penis
• Anus

Question 12

The Male Perinium are diamond shaped areas between the:
* Anterior:
* Posterior:
* Lateral:

Answer 12

• Anterior: Pubic Symphysis
• Posterior: Coccyx
• Lateral: Ischial Tuberosity

Question 13

The floor of the Perineum is formed by the:

Answer 13

1. Muscles of the Urogenital Diaphragm: Urethral Sphincters & Transverse Perineal musce
2. Superficial Perineal Space