Anatomy of the Male Reproductive Tract

Question 1

Retroperitoneum is encased in _____

Answer 1

lumbodorsal fascia (originating from lumbar vertebrae and covers abdominal muscles posteriorly

Question 2

Retioperitoneal structures

Answer 2

adrenals, kidneys, ureters, bladder, vasculature, esophagus, rectum, parts of pancreas, 2nd,3rd, 4th part ofduodenum, and parts of colon

Question 3

Muscles of peritoneum

Answer 3

psoas major/minor, transversus abdominus, iliacus, quadratus lumborum

Question 4

Most posterior retroperiotoneal structure is _____

Answer 4

ureter

Question 5

Major branches of aorta

Answer 5

interior phrenic, celiac trunk, adrenal, sma, gonadal, ima, renal, lumbar, middle sacral, common iliacs

Question 6

L/R renal is more superior on aorta

Answer 6

L

Question 7

IVC is left/right of aorta

Answer 7

Right

Question 8

What drains into right renal vein?

Answer 8

nothing

Question 9

What drains into the left renal vein?

Answer 9

lumbar, renal, adrenal

Question 10

Vein of death

Answer 10

left adrenal (easy to tear but hard to control because small)

Question 11

What is the landmark for the colon mesentery reflecting on the abdominal wall which is used in surgery to gain access to retroperitoneal area?

Answer 11

white line of Toldt

Question 12

Hypogastric artery is also known as ____

Answer 12

internal iliac

Question 13

Branches of internal iliac

Answer 13

Posterior and Anterior trunks

Question 14

Branches of posterior iliac

Answer 14

iliolumbar, lateral sacral, superior gluteal

Question 15

Branches of anterior iliac

Answer 15

superior vesicle, middle rectal, inferior vesicle, uterine, internal pudendal, obturator, inferior gluteal

Question 16

Extraperitoneal space between the pubic symphysis and urinary bladder

Answer 16

Space of retzius –>avascular

Question 17

Trigone of the bladder contains the _____ orifices

Answer 17

ureteric orifices which is where ureters drain into bladder

Question 18

Function of the internal urethral sphincter

Answer 18

closed at rest when not voiding, closed during seminal emissions –> not much continence function

Question 19

What is the most important structure for urinary continence?

Answer 19

external urethral sphincter

Question 20

Transabdominal descent of the testicles occurs by week _____.

Answer 20

12

Question 21

The gubernaculum forms during week _____.

Answer 21

7

Question 22

Testicular descent is under control of what kind of hormones?

Answer 22

androgens

Question 23

The _____ dissolves under androgen control, allowing testicular descent.

Answer 23

Cranial suspensory ligament

Question 24

Inguino-scrotal descent occurs at what time?

Answer 24

month 7-9

Question 25

T/F Increased abdominal pressure may play a role in inguino-scrotal testicular descent.

Answer 25

T

Question 26

Cremasteric muscle is a derivative of what abdominal muscle?

Answer 26

Internal oblique

Question 27

External spermatic fascia is a derivative of what abdominal muscle?

Answer 27

External oblique

Question 28

Internal spermatic fascia is a derivative of what abdominal muscle?

Answer 28

transversalis

Question 29

The tunica vaginalis is a derivative of what abdominal structure?

Answer 29

peritoneum

Question 30

A patent processus vaginalis may result in a fluid filled ______.

Answer 30

hydrocele

Question 31

Layers of scrotum

Answer 31

skin, dartos, ext. spermatic fascia, cremasteric fascia and muscle, internal spermatic fascia, tunica vaginalis, pampiniform plexus

Question 32

A spiderweb of veins that functions via counter current flow to regulate temperature in the the testes is called ______

Answer 32

pampiniform plexus

Question 33

Which arteries provide blood to the testes?

Answer 33

testicular artery, vasal artery, cremasteric artery

Question 34

How many collateral arteries are in each testis?

Answer 34

3

Question 35

The primary blood supply of the penis is the ______ artery which is a branch of the ______ artery which is derived from the hypogastric artery.

Answer 35

penile artery from the internal pudendal artery

Question 36

Bulbar artery provides blood for what structure

Answer 36

bulb of the penis --> involved in contractions during ejaculation

Question 37

Dorsal artery of the penis and its branches

Answer 37

After giving off the bulbar artery, the internal pudendal becomes the dorsal artery --> it branches into circumflex, cavernosal

Question 38

Venous blood flow in penis

Answer 38

cavernous vein --> deep dorsal vein of penis --> periprostatic plexus

Question 39

The _____ is the elastic tissue that is involved in an erection and compresses outflow veins to maintain erection.

Answer 39

Tunica albuginea

Question 40

Fracture of the penis involves rupture of the ________.

Answer 40

tunica albuginea