Ch 72: Penis and Urethra

Question 1

The basic structural components of the penis include two ______and
the _______.

Answer 1

The basic structural components of the penis include two corpora cavernosa and
the corpus spongiosum.

Question 2

These are encased in a dense fascia _____, which
is separated from the skin by a layer of loose connective tissue.

Answer 2

These are encased in a dense fascia (Buck fascia), which
is separated from the skin by a layer of loose connective tissue.

Question 3

Distally, the
corpus spongiosum expands into the ______, which is covered by a skin fold
known as the _______

Answer 3

Distally, the
corpus spongiosum expands into the glans penis, which is covered by a skin fold
known as the prepuce

Question 4

The posterior
urethra is subdivided into the ______urethra, the portion passing through
the urogenital diaphragm, and the ________urethra, which passes through the
prostate.

Answer 4

The posterior
urethra is subdivided into the membranous urethra, the portion passing through
the urogenital diaphragm, and the prostatic urethra, which passes through the
prostate.

Question 5

The anterior urethra passes through the corpus spongiosum and is
subdivided into ______ (a widening within the glans); the ____
urethra, which passes through the pendulous part of the penis; and the _____
urethra, the dilated proximal portion of the anterior urethra.

Answer 5

The anterior urethra passes through the corpus spongiosum and is
subdivided into fossa navicularis (a widening within the glans); the penile
urethra, which passes through the pendulous part of the penis; and the bulbous
urethra, the dilated proximal portion of the anterior urethra.

Question 6

The lymphatic channels of the prepuce and the skin of the shaft drain into the
________ located above the fascia lata.

Answer 6

The lymphatic channels of the prepuce and the skin of the shaft drain into the
superficial inguinal nodes located above the fascia lata.

Question 7

What are the so-called sentinel nodes located above and medial to the
junction of the epigastric and saphenous veins have been identified as the
primary drainage sites in carcinoma of the penis

Answer 7

Cloquette node

Question 8

The paired corpus cavernosa and
the single corpus spongiosum containing the urethra are enveloped by the tough fi brous covering of the____

Answer 8

The paired corpus cavernosa and
the single corpus spongiosum containing the urethra are enveloped by the tough fi brous covering of the tunica albuginea.

Question 9

______ encases the corpora and deep vessels of the penis
and fuses proximally with the deep urogenital fascia

Answer 9

Buck fascia encases the corpora and deep vessels of the penis
and fuses proximally with the deep urogenital fascia