5.3 Male Reproductuve System

Question 0

Divides the cloaca into anal and urogenital orifice

Answer 0

Urorectal fold

Question 1

Presence of this protein triggers the development of male gonads. In its absence, female gonads will develop

Answer 1

SRY protein

Question 2

Division of cloaca into anal canal and urogenital orifice is completed by __ week

Answer 2

7th week

Question 3

Gonadal differentiation occurs during __ to __ weeks

Answer 3

5-7 weeks

Question 4

Wolffian duct differentiates into (4)

Answer 4

Seminal vesicles
Epididymis
Ejaculatory duct
Ductus deferens

Question 5

The mullerian duct develops into (3)

Answer 5

Fallopian tubes
Upper vagina
Uterus

Question 6

Two stages of descent of testes

Answer 6

Transabdominal differentiation

Inguinal scrotal descent

Question 7

Condition where testes failed to descend

Answer 7

Cryptorchidism

Question 8

The persistence of processus vaginalis can result in the formation of a ___. This occurs when peritoneal fluid reenters the tunica vaginalis space within the scrotum

Answer 8

Hydrocoele

Question 9

True or false: as the testis descends towards the scrotum it carries with it one layer of peritoneal covering

Answer 9

False. Two peritoneal coverings.

Question 10

Corpora cavernosa forms by __ week

Answer 10

7th

Question 11

Penile urethra is complete by __ week

Answer 11

14th week

Question 12

What structure of male genitalia results from the differentiation of the mesenchymal masses around the formed penile urethra

Answer 12

Corpus spongiosum

Question 13

Site of spermatogenesus

Answer 13

Testes

Question 14

The copulatory organ

Answer 14

Penis

Question 15

Layer of the scrotum which is the continuation of Scarpa’s fascia of the abdomen and Colle’s fascia of the urogenital triangle

Answer 15

Dartos fascia/Superficial fascia

Question 16

Layer of scrotum which is the continuation of external oblique fascia of the abdominal wall

Answer 16

External spermatic fascia

Question 17

Layer of scrotum which is the continuation of the internal oblique fascia and also contains some fibers from transversus abdominjs muscle

Answer 17

Cremasteric fascia

Question 18

Function of the cremasteric fascia

Answer 18

Retracts testicles to protect from trauma or cold

Question 19

Layer of scrotum which is the continuation of transversalis fascia; it invests the testicles and penile cord structures

Answer 19

Internal spermatic fascia

Question 20

Covers the testis; consists of an outer parietal layer and an inner visceral layer lining tunica albuginea

Answer 20

Tunica vaginalis

Question 21

Blood supply of scrotum

Answer 21

Anterior portion: anterior branches of deep external pudendal artery
Posterior portion: posterior scrotal branches of perineal a.

Question 22

Venosu drainage of scrotum

Answer 22

External pudendal veins

Question 23

Lymphatic drainage of scrotum

Answer 23

superficial inguinal nodes

Question 24

Nerve supply of scrotum

Answer 24

Anterior: Anterior scrotal nerves from iliiinguinal nerves (L1), genital branch if genitofemoral nerve

Question 25

Main component of the spermatic cord

Answer 25

Vas deferens

Question 26

Transports spermatozoa from testis to epididymis

Answer 26

Ductus / vas deferens

Question 27

Artery supplying testis and epididymis and its origin

Answer 27

Testicular artery, branch if abdominal aorta at L2

Question 28

Contents of the spermatic cord

Answer 28

``` Vas deferens Testicular a. Pampiniform plexus Cremateric a. Genital branch of genitofemoral nerve Artery of vas deferens Autonomic nerves Lymphatic vessels Remains of processus vaginalis ```

Question 29

The lower testes

Answer 29

Left testes

Question 30

Where spermatogenesis occur

Answer 30

Seminiferous tubules

Question 31

Lining of seminiferous tubules

Answer 31

Stratified cuboidal epithelium

Question 32

Largest cells of spermatogenic lineage; diploid, with partially condensed chromosomes in various stages if synapsis and recombination

Answer 32

Primary soermatocyte

Question 33

Spermatogenic cell which has globules of chromophillic chromatin found free in the nucleoplasm; immediately develops into spermatids; haploid cells

Answer 33

Secondary spermatocyte

Question 34

Also called sustentacular cells which function to support, nourish and envelop the developing soermatozoa

Answer 34

Sertoli cells

Question 35

Sertoli cells are stimulated by which hormone

Answer 35

FSH

Question 36

Cells that secrete testosterone under the influence of LH; rounded or polygonal in shape

Answer 36

Leydig cells

Question 37

Interconnected network of channels within the testes

Answer 37

Rete testis

Question 38

Lining of rete testis

Answer 38

Simple cuboidal epithelium with microvilli

Question 39

Lining and function of ductus efferentes

Answer 39

Simple cuboidal nonciliatesd cuboidal cells alternating with ciliated cells Absorb most fluid secreted by seminiferous tubules

Question 40

Morphology of prostate gland

Answer 40

Compund tubuloacinar gland

Question 41

Lining of prostate gland

Answer 41

Simple to pseudostratified columnar epithelium

Question 42

Zone of the prostate gland thatnis affected by benign prostatic hyperplasia

Answer 42

Transition zone

Question 43

Ejaculatory duct is formed by the fusion of the ___ and empties into the __

Answer 43

Fusion of the vas deferens and seminal vesicle Empties into the urethra