Ch 69: Male GU

Question 1

Two of the five segments of the male urethra are
the ____adjacent to the preprostatic sphincter and the _____, which is placed from the verumontanum to the GUD.

Answer 1

Two of the five segments of the male urethra are
the preprostatic urethra adjacent to the preprostatic sphincter and the prostatic
urethra, which is placed from the verumontanum to the GUD.

Question 2

The paired
seminal vesicles are situated ______ to the prostate gland and secrete
seminal fluid into the bilateral ductus deferens as they become the ejaculatory
ducts

Answer 2

The paired
seminal vesicles are situated posterosuperiorly to the prostate gland and secrete
seminal fluid into the bilateral ductus deferens as they become the ejaculatory
ducts

Question 3

The prostate is separated from the
rectum posteriorly by _______ which attaches
above to the peritoneum and below to the GUD.

Answer 3

The prostate is separated from the
rectum posteriorly by Denonvilliers fascia (rectovesical septum), which attaches
above to the peritoneum and below to the GUD.

Question 4

The endopelvic fascia lateral to the
prostate gland contains neurovascular structures, including ___ which is the primary drainage for the penis

Answer 4

The endopelvic fascia lateral to the
prostate gland contains neurovascular structures, including the venous plexus of
Santorini, which is the primary drainage for the penis

Question 5

What are the
four zones of the prostate

Answer 5

There are
four zones of the prostate (Fig. 69.1): the peripheral zone (PZ), transition zone
(TZ), central zone, and anterior fibromuscular stroma zone

Question 6

The____ that
surrounds the ejaculatory ducts has marked histologic differences from the PZ

Answer 6

The central zone that
surrounds the ejaculatory ducts has marked histologic differences from the PZ

Question 7

It
is the ___, extending across the entire posterior surface of the gland, that is
palpated on rectal examination and is the location of most prostate cancers.

Answer 7

It
is the PZ, extending across the entire posterior surface of the gland, that is
palpated on rectal examination and is the location of most prostate cancers.

Question 8

The
___is the location of benign prostatic hypertrophy

Answer 8

The
TZ is the location of benign prostatic hypertrophy

Question 9

The ____ consists of an anterior band of fibromuscular tissue contiguous with
bladder muscle and external sphincter.

Answer 9

The anterior fibromuscular
zone consists of an anterior band of fibromuscular tissue contiguous with
bladder muscle and external sphincter.

Question 10

The male urethra is divided into posterior and anterior portions
by the inferior aspect of the ____

Answer 10

The male urethra is divided into posterior and anterior portions
by the inferior aspect of the urogenital diaphragm

Question 11

The posterior urethra consists of the prostatic urethra within the
prostate gland, from the bladder neck to urogenital diaphragm,
and the short membranous urethra, which is totally contained
within the _____

Answer 11

The posterior urethra consists of the prostatic urethra within the
prostate gland, from the bladder neck to urogenital diaphragm,
and the short membranous urethra, which is totally contained
within the 1-cm-thick urogenital diaphragm

Question 12

The anterior urethra extends from the urogenital diaphragm to the external urethral meatus. It consists of the _______extending from
the urogenital diaphragm to the penoscrotal junction and the
penile urethra extending to the urethral meatus.

Answer 12

The anterior urethra extends from the urogenital diaphragm to the external urethral meatus. It consists of the bulbous urethra extending from
the urogenital diaphragm to the penoscrotal junction and the
penile urethra extending to the urethral meatus.

Question 13

the proximal 2 cm of the bulbous urethra, is called the
____. This unprotected portion of the urethra is particularly
susceptible to straddle injury.

Answer 13

the proximal 2 cm of the bulbous urethra, called the
pars nuda. This unprotected portion of the urethra is particularly
susceptible to straddle injury.

Question 14

The___, a mullerian remnant, is a small, saccular depression in the middle of the verumontanum.

Answer 14

The utricle, a mullerian remnant, is a small, saccular depression in the middle of the verumontanum.

Question 15

_____are pea-sized accessory sex glands
within the urogenital diaphragm on either side of the membranous urethra. Their ducts empty into the bulbous urethra 2 cm
distally

Answer 15

Cowper glands are pea-sized accessory sex glands
within the urogenital diaphragm on either side of the membranous urethra. Their ducts empty into the bulbous urethra 2 cm
distally

Question 16

. On MR T2WI, cancers appear as areas of ____within the ____signal peripheral zone

Answer 16

. On MR T2WI, cancers appear as areas of low
signal within the high-signal peripheral zone

Question 17

The
vas deferens joins the ducts of the seminal vesicles to form
the _____, which courses through the prostate gland
to empty into the urethra at the level of the verumontanum

Answer 17

The
vas deferens joins the ducts of the seminal vesicles to form
the ejaculatory duct, which courses through the prostate gland
to empty into the urethra at the level of the verumontanum