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Human Reproduction > The Male Reproduction > Flashcards

The Male Reproduction Flashcards

1
Q

what doe the basic structure consist of?

A
  • The primary sex organs: the testes
  • various ducts/tubules : epididymis, vas deferens(sperm duct) and urethra
  • Accessory glands: prostate gland,cowpers gland and seminal vessicles
  • external genitalia : penis
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2
Q

What is structure and function of seminal vesicle?

A

S: sac-like glands
F: secrete sugary substance that is an energy source for sperm

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3
Q

What is the structure and function of the prostate gland?

A

F:

  • produces milky alkaline fluid, make sperm more active
  • Neutralises the acidic vaginal secretions and acidic PH of urethra
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4
Q

what is the structure and function of Cowper’s gland?

A

S: a pair of small glands

F: secretions help to lubricate the head of penis, clear urethra of urine residues and maximise sperm motility.

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5
Q

What is the structure and function of vas deferens?

A

S: muscular duct

F: transports sperm by peristalsis from epididymis to the urethra

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6
Q

what is the structure and function of the penis?

A

S: made of erectile tissue that fills with blood, making penis erect.

F: Transfer semen to females vagina

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7
Q

What is the function of epididymis?

A

Stores sperm

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8
Q

What is the function of the testis?

A

Produce sperm and testosterone

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9
Q

What is the function of the scrotum?

A

Protects the testes

Regulates temperature, keeps testes 2 to 3 C lower than body temp for sperm production

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10
Q

What is the function of the urethra?

A

Transports semen and urine through the penis to exterior

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11
Q

What is the structure of the testis?

A
  • Epididymis
  • Seminiferous tubule
  • Septum
  • lobule
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12
Q

What is the function of the epididymis in the testes?

A

store sperm for 2-3 months, where it matures

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13
Q

What is the function of the seminiferous tubule?

A

where sperm are formed.

Tubules join to form epididymis

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14
Q

What is the function of the septum?

A

Divides testis into compartment or lobules

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15
Q

what is the function of lobule?

A

compartment in testis that contains one - three seminiferous tubules

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16
Q

What is the structure of the seminiferous tubules?

A
  • Germinal epithelial cells
  • Spermatogonium
  • Primary spermatocyte
  • Secondary spermatocyte
  • sperm cell
  • cell of sertoli
  • spermatid
  • interstitial cells (cells of leydig)
17
Q

What is the function of the germinal epithelium cells?

A

divide to form new sperm cells

18
Q

what is the function of the spermatogonium?

A

formed by mitosis of germinal epithelium; the start of sperm production

19
Q

what is the function of a primary spermatocyte?

A

a mature spermatogonium ready for spermatogenesis?

20
Q

what is the secondary spermatocyte?

A

haploid cell formed from the primary spermatocyte in the first meiotic division

21
Q

what is the sperm cell?

A

Immature sperm cell formed by the maturation of the spermatids

22
Q

what is the function of cells of Sertoili?

A

Provides food to developing sperm

23
Q

what is a spermatid?

A

Formed from a secondary spermatocyte in second meiotic division

24
Q

What are cells of Leydig and what is its function?

A

Endocrine cells that secrete testosterone.

25
Q

what is the structure of the penis?

A
  • Dorsal vein
  • Dorsal artery
  • erectile tissue
  • connective tissue capsule
  • erectile tissue
26
Q

What is the function of the dorsal vein?

A

Carries blood away from the penis

27
Q

What is the function of the dorsal artery?

A

Carries blood to the penis

28
Q

What is the function of the erectile tissue?

A

Fills with blood, penis become erect

29
Q

What is the function of connective tissue capsule?

A

Maintains erection by preventing blood leaving penis

30
Q

What is the function of erectile tissue?

A

During erection, prevents urethra from being pinched closed , so stays open for ejaculation.

31
Q

what is the main function of the male reproductive system?

A

Produce sperm cells and deliver them to the female

Human Reproduction (6 decks)

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