Reproductive Anatomy

Question 1

What embryological layer is the reproductive system derived from

Answer 1

mesoderm

Question 2

What structures arise from the mesonphrenic (Wolffian) duct (SEED)

Answer 2

Seminal vesicle, Epididymis, Ejaculatory duct, and Ducuts deferens (SEED)

Question 3

Where are spermatozoa produced and influences production

Answer 3

seminal vesicle and testosterone

Question 4

Which cells secrete testosterone and what promotes secretion

Answer 4

interstitial cells of (L)eydig under the influence of (L)eutenizing hormone

Question 5

What is the thick fibrous capsule called which surrounds the testis

Answer 5

tunica albuginea

Question 6

Straigt tubules join together to form this

Answer 6

rete testis

Question 7

Name the seven layers of the testes

Answer 7

skin, dartos muscle with colles fascia, external spermatic fascia, cremasteric muscle, internal spermatic fascia, parietal layer of tunica vaginalis, and visceral layer of tunica vaginalis

Question 8

Where do sperm matuer

Answer 8

epididymus

Question 9

Where are sperm stored

Answer 9

ducuts deferens

Question 10

What structures form the ejaculatory duct

Answer 10

terminal end of ductus deferens and seminal duct

Question 11

What are the coverings, arteries, nerves, and other structures of the spermatic cord (3s)

Answer 11

3 coverings: external spermatic fascia, cremasteric muscle and fascia, and internal spermatic fascia

3 arteries: testicular artery, artery to the ductus deferens, and cremasteric artery

3 nerves: testicular nerves, gental branch of the genitofermoral nerve, and ilioinguinal nerve (actually lies outside)

3 other structures: ductus deferens, pampiniform plexus of veins and testicular lymphatics,

Question 12

Name the compartments of the penis

Answer 12

2 dorsal corpora cavernosa and a single inferior corpus spongiosum

Question 13

What are the corpora enclosed in

Answer 13

fibrous sheath called Buck’s fascia

Question 14

Blood supply of the penis

Answer 14

deep penile and dorsal penile branches of the internal pudendal artery

Question 15

Innervation of the penis

Answer 15

penile branches of the pudendal nerve and branches of the pelvic splanchnic nerves both from S2, 3, and 4 (keeps the penis off the floor)

Question 16

Stimulation of which nervous system is responsible for erections

Answer 16

(p)arasympathetic (p)oint

Question 17

Stimulation of which nervous system is responsible for ejaculation

Answer 17

(s)ympathetic (s)hoot

Question 18

What is the hair bearing fat bad of the female genitalia

Answer 18

mons pubis

Question 19

The lateral portion of the labia minora fuses above the clitoris forming this

Answer 19

prepuce

Question 20

the medial parts of the labia manora fuses below the clitoris forming this

Answer 20

frenulum

Question 21

Where does the vagina mainly develop from

Answer 21

urogenital sinus

Question 22

What is the normal positioning of the uterus

Answer 22

ante(v)erted - angled forwards to the (v)agina and antefle(x)ed - body is fowards to cervi(x)

Question 23

What attaches the uterus to the ovary

Answer 23

ligament of the ovary

Question 24

what attaches the uterus to the labia majora

Answer 24

round ligament of the uterus and the broad ligament

Question 25

What are fallopian tubes lined with

Answer 25

ciliated columnar epithelium

Question 26

what are the 4 parts of the fallopian tubes

Answer 26

infundibulum, ampulla (fertilization takes place), isthmus, an intramural

Question 27

Where do the veins of the ovaries drain

Answer 27

right ovarian vein into the inferior vena cava and left ovarian vein into the left renal vein

Question 28

What ligaments are contained within the broad ligament

Answer 28

ligament of the ovary and round ligament of the uterus

Question 29

what part of the broad ligament contains the uterine tube

Answer 29

mesosalpinx

Question 30

What bones make up the pelvis

Answer 30

os coxae, sacrum, and coccyx

Question 31

What bones form the os coxae and where doe they fuse

Answer 31

ilium, ischium, and pubis and they fuse in the acetabulum

Question 32

In what ways is the male pelvis different from the female pelvis

Answer 32

heavier with more prominant muscular markings
smaller heart-shaped pelvic inlet
subpubic angle is narrower (45 degrees in males 85 female)
ischial spines are inverted
sacrum is more curved