Male Reproductive

Question 1

Enumerate the components of the male reproductive system

Answer 1

• testes
• penis
• vas deferens

(Accessoy genital glands)
* prostate gland
* bulbourethral
* seminal vesile

Question 2

What transports and nourishes sperm as they pass through excretory ducts?

Answer 2

Seminal fluid

Question 3

What delivers sperm to the exterior and also serves as conduit for excretion of urine from the body

Answer 3

Penis

Question 4

Sites of spermatogenesis and production of male sex hormone (testosterone)

Answer 4

Testes

Gross Anatomy:
Develop in the abdominal cavity and later descend into the scrotum - suspended by spermatic cords
* partial descent = 3 mos.
* full descent = 7 mos.

Question 5

Lobules that is the area which produces sperm in the testes

Answer 5

seminiferous tubules

Question 6

Interstitial cells that produce testosterone

(secretion begins during puberty)

Answer 6

Leydig cells

Round polygonal cells with large nucleus, numerous mitochondria, well-developed golgi complex, and many lipid droplets with cholesterol esthers for production of testosterone

Question 7

The development of the testis (or ovary) is divided into the:
1. indifferent gonad stage
2. stage of differentation

Whe does phase 1 end and phase 2 start?

Answer 7

at 7 weeks

Question 8

Testis (and ovaries) develop from which structure given the derived part:
1. forms the capsule, stroma, and connective tissue of the gonad
2. gives rise to the sex cords - sertoli cells
3. gonads between the cells of the sex cord

Answer 8

1. genital ridge
2. coelomic epithelium
3. primordial germ cell

Question 9

At the scrotum,

What is the structure that forms from the outpocketing of the peritoneal cavity (vaginal process)

Answer 9

Tunica vaginalis

Question 10

A fibrous cord that extends from the testis to floor of the scrotal sac

Answer 10

Gubernaculum

shortens during the final descent of the testes

Question 11

A congenital anomaly where the testis has not descended

Answer 11

Cryptorchidism

Question 12

Enumerate the coverings of the testes

Answer 12

outward to inward
1. tunica vaginalis
2. tuncia albuginea - fibromuscular connective tissue where septa are derived
3. tunica vasculosa- loose CT containing blood vessels

Question 13

Lobuli testis are small incomplete compartments formed by the septa.

How many seminiferous tubules are present ber lobule?

Answer 13

1-4 seminiferous tubules

Question 14

Seminiferous tubule dimentions

Answer 14

• length: 30-70 cm
• diameter: 150-250 um

Question 15

Seminiferous tubulues Histology

Answer 15

complex stratified germinal epithelium formed by spermatogenic cells and surrounded by supporting/ sustentacular/sertoli cells

Question 16

Hormone that determines maleness

Answer 16

anti-mullerian hormone

Question 17

Sertoli cells form the blood-testis barrier by

Function to prevent entry of harmful substances from blood affecting developing sperm and at the same time presenting sperm related proteins to enter circulation

Answer 17

by zonulae occludentes, occluding junction, or tight junctions

Question 18

Enumerate the spermatogenic cells in the testis

Answer 18

1. spermatogonium
2. primary oocyte
3. secondary oocyte
4. spermatids
5. mature spermtozoa

Question 19

Sertoli Cells Secretion

Table 1 - Memorize