Lec 15

Question 1

Like the kidneys, the gonads develop

Answer 1

retroperitoneal

Question 2

Which duct is the fallopian tube derived from?

Answer 2

paramesonephric duct

Question 3

Which duct is the ductus deferens is derived from

Answer 3

mesonephric duct

Question 4

The gubernaculum in a female becomes what in an adult?

Answer 4

round ligament of the uterus

Question 5

The gubernaculum in a male becomes what as an adult?

Answer 5

scrotal ligament

Question 6

Which 2 structures develop from the genital tubercle?

Answer 6

Glans Penis and Glans clitoris

Question 7

Which erectile tissues make up the clitoris and where were they derived from?

Answer 7

corpora cavernosa clitidoris; crura

Question 8

Which erectile tissues make up the penis and where were they derived from?

Answer 8

corpus cavernosa (crura), corpus spongiosum (fused bulbs)

Question 9

What structure does the bulbs become is a female and what type of erectile tissue make it up?

Answer 9

bulbs of the vestibule and labia minora, bulbos spongiosum

Question 10

What type of dense fibrous connective tissue surrounds the erectile tissue of the penis?

Answer 10

tunica albuginea

–> only surrounds copora cavernosa (part that gets hard)

Question 11

Which muscle surround the bulbs (in men and women?) what is it’s function in a man?

Answer 11

the bulbospongiosus muscle; it may contract to aid in ejaculation and constrict urethra in rhythmic fashion to propel sperm.

Question 12

Name the serial homologs of scrotal structures:
Skin:
Superficial Fascia:
External oblique:
Internal Oblique:
Transversus Abdominus:
Coelom + Peritoneum:

Answer 12

Name the serial homologs of scrotal structures:
Skin: Scrotum
Superficial Fascia–> anchors skin down: Dartos Muscle (Smooth muscle and can sustain longer contractions)
External oblique: External spermatic fascia
Internal Oblique: Cremaster muscle (loops of striated muscle)
Transversus Abdominus: Internal spermatic fascia
Coelom + Peritoneum: Tunica vaginalis (serosa for testis)