Human Reproduction Flashcards

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Flashcards based on Human Reproduction lecture notes.

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51 Terms

1
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What is sperm?

Male gamete.

2
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What is an ovum?

Female gamete.

3
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What is the importance of reproduction?

Ensuring the continuity and survival of every species.

4
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What kind of process is reproduction?

Biological process.

5
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What is gametogenesis?

Formation of male and female gametes.

6
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What is fertilization?

Fusion of gametes.

7
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What is cleavage?

Division of zygote.

8
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What developmental stage follows cleavage?

Embryonic development.

9
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What is implantation?

Attachment of embryo to the uterus.

10
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What is parturition?

Delivery of baby.

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What occurs during parturition?

Expelling the baby out of mother's womb.

12
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Is fertilization external or internal in humans?

Internal.

13
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Where is the male reproductive system located?

Pelvis region.

14
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What are the components of the male reproductive system?

Testes, accessory ducts, glands, and external genitalia.

15
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What is the testis considered as in the male reproductive system?

Primary sex organ.

16
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What is the main sex hormone produced in males?

Testosterone.

17
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What is the pouch outside the abdominal cavity that contains the testes?

Scrotum.

18
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What is the function of the scrotum?

Maintaining a temperature lower than normal body temperature.

19
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What process requires a lower temperature in the testes?

Spermatogenesis.

20
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What are the 250 compartments within each testis called?

Testicular lobules.

21
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What do testicular lobules contain?

Seminiferous tubules.

22
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What two types of cells line the seminiferous tubules?

Male germ cells (spermatogonia) and Sertoli cells.

23
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What do seminiferous tubules produce?

Produce sperms.

24
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What cells are found in the interstitial spaces outside the seminiferous tubules?

Interstitial cells or Leydig cells.

25
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What hormones do Leydig cells synthesize and secrete?

Androgens.

26
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What is the primary androgen?

Testosterone.

27
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What is the function of male accessory ducts?

Store and transport sperm.

28
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Name the male accessory ducts.

Rete testis, vasa efferentia, epididymis, and vas deferens.

29
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What the external opening of the urethra is called?

Urethral meatus.

30
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What does the urethra transport?

Urine and sperm.

31
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Name the male accessory glands.

Seminal vesicle, prostate gland, and bulbourethral glands.

32
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What do the secretions of the accessory glands constitute?

Seminal plasma.

33
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What is seminal plasma rich in?

Fructose, calcium, and certain enzymes.

34
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What is the bulbourethral gland's function?

Lubrication of the penis

35
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What is the male external genitalia?

Penis.

36
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What does the erection of the penis facilitate?

Insemination.

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What is the enlarged end of the penis called?

Glans penis.

38
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What is the loose fold of skin covering the glans penis?

Foreskin.

39
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Where is the male reproductive system located?

Pelvis region.

40
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What are the male accessory glands?

Seminal vesicle, prostate gland, bulbourethral gland.

41
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Where are sperms produced?

Seminiferous tubules.

42
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What path do sperms travel from seminiferous tubules?

Rete testis, epididymis, vas deferens, and urethra.

43
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What is the prostate gland's role?

Provides nutrition to sperm and neutralizes acidity of urine.

44
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What do bulbourethral glands help with?

Facilitate lubrication in penile meatus during copulation.

45
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Why are testis located in scrotal sacs?

Spermatogenesis.

46
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What structures are found in mammalian testis?

Sertoli cells, seminiferous tubules, Leydig cell.

47
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What are Leydig cells the secretory source of?

Androgens.

48
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Identify the parts A-D of the seminiferous tubules.

A-Sertoli cell, B-Spermatogonia, C-Interstitial cell, D- Sperm.

49
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What is the correct sequence of male accessory ducts starting from the testis?

Rete testis, vasa efferentia, epididymis, vas deferens.

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What is the head of the epididymis called?

Caput epididymis.

51
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What forms the ejaculatory duct?

Vas deferens along with a duct from seminal vesicle.