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ANATOMY > 5.3 Male Reproductuve System > Flashcards

5.3 Male Reproductuve System Flashcards

0
Q

Divides the cloaca into anal and urogenital orifice

A

Urorectal fold

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1
Q

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

A

SRY protein

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2
Q

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

A

7th week

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3
Q

Gonadal differentiation occurs during __ to __ weeks

A

5-7 weeks

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4
Q

Wolffian duct differentiates into (4)

A

Seminal vesicles
Epididymis
Ejaculatory duct
Ductus deferens

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5
Q

The mullerian duct develops into (3)

A

Fallopian tubes
Upper vagina
Uterus

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6
Q

Two stages of descent of testes

A

Transabdominal differentiation

Inguinal scrotal descent

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7
Q

Condition where testes failed to descend

A

Cryptorchidism

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8
Q

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

A

Hydrocoele

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9
Q

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

A

False. Two peritoneal coverings.

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10
Q

Corpora cavernosa forms by __ week

A

7th

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11
Q

Penile urethra is complete by __ week

A

14th week

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12
Q

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

A

Corpus spongiosum

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13
Q

Site of spermatogenesus

A

Testes

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14
Q

The copulatory organ

A

Penis

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15
Q

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

A

Dartos fascia/Superficial fascia

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16
Q

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

A

External spermatic fascia

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17
Q

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

A

Cremasteric fascia

18
Q

Function of the cremasteric fascia

A

Retracts testicles to protect from trauma or cold

19
Q

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

A

Internal spermatic fascia

20
Q

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

A

Tunica vaginalis

21
Q

Blood supply of scrotum

A

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

22
Q

Venosu drainage of scrotum

A

External pudendal veins

23
Q

Lymphatic drainage of scrotum

A

superficial inguinal nodes

24
Q

Nerve supply of scrotum

A

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

25
Q

Main component of the spermatic cord

A

Vas deferens

26
Q

Transports spermatozoa from testis to epididymis

A

Ductus / vas deferens

27
Q

Artery supplying testis and epididymis and its origin

A

Testicular artery, branch if abdominal aorta at L2

28
Q

Contents of the spermatic cord

A 
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
29
Q

The lower testes

A

Left testes

30
Q

Where spermatogenesis occur

A

Seminiferous tubules

31
Q

Lining of seminiferous tubules

A

Stratified cuboidal epithelium

32
Q

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

A

Primary soermatocyte

33
Q

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

A

Secondary spermatocyte

34
Q

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

A

Sertoli cells

35
Q

Sertoli cells are stimulated by which hormone

36
Q

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

A

Leydig cells

37
Q

Interconnected network of channels within the testes

A

Rete testis

38
Q

Lining of rete testis

A

Simple cuboidal epithelium with microvilli

39
Q

Lining and function of ductus efferentes

A

Simple cuboidal nonciliatesd cuboidal cells alternating with ciliated cells

Absorb most fluid secreted by seminiferous tubules

40
Q

Morphology of prostate gland

A

Compund tubuloacinar gland

41
Q

Lining of prostate gland

A

Simple to pseudostratified columnar epithelium

42
Q

Zone of the prostate gland thatnis affected by benign prostatic hyperplasia

A

Transition zone

43
Q

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

A

Fusion of the vas deferens and seminal vesicle

Empties into the urethra

ANATOMY (33 decks)

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