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Biol 164 > Chapter 9: Sex Organ Anatomy And Physiology > Flashcards

Chapter 9: Sex Organ Anatomy And Physiology Flashcards

1
Q

What is the scrotum

A

The sac that holds the testes. Inside of the scrotum connects to the abdominal cavity though the inguinal canal.

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2
Q

What are the testis (plural testes)

A

The organs that make sperm cells - the reproductive cells

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3
Q

What is the epididymis

A

The series of hollow tubes stores mature sperm cells

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4
Q

What is the ductus (vas) deferens

A

During ejaculation, sperm cells travel from the epididymis, through the ductus deferens and ultimately into the urethra
In the ductus deferens, the sperm cells are suspended in a salt water solution (extracellular fluid)

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5
Q

What is the seminal vesicle

A

This gland secretes a sticky yellowish/whitish fluid, which makes up about 60% of the semen. This fluid enters the urethra via the ejaculatory ducts

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6
Q

What is the ejaculatory duct

A

The ejaculatory ducts are small paired tubes that carry sperm for the vans deferens and fluid from the seminal vesicles into the urethra. They pass through the prostate gland.

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7
Q

What is the urethra

A

This tube has two functions. It transports urine from the bladder to the outside of the body. It also transports semen from the reproductive organs to the outside of the body

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8
Q

What is the bulbourethral gland

A

During sexual arousal, this gland secretes a small amount of slippery fluid into the urethra to neutralize any acidic urine and lubricate the glans

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9
Q

What is the prostate gland

A

This gland secretes a thin, milky white fluid, which makes up about 30% of the semen. This fluid enters the urethra as the urethra passes through the prostate.

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10
Q

What is the penis

A

The penis is made mostly of three spongy tissue structures: the paired corpora cavernosa and the single corpus spongiosum. These are the tissues that fill with blood during an erection.

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11
Q

What is the glans of penis

A

This portion of the penis is sometimes called the head. It is covered by a layer of skin called the prepuce or foreskin. Circumcision is the practice of cutting off the foreskin. This may be done for both cultural and medical reasons

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12
Q

What is the bladder

A

This hollow sac stores the urine formed in the kidney

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13
Q

What is the spermatic cord

A

The spermatic cord is made up of the ductus deferens, the testicular artery and the testicular vein. The spermatic cord travels from the testis of the scrotum, through the inguinal canal and into the abdominal cavity

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14
Q

What is the ovary

A

The organ that makes oocytes (egg cells) - the reproductive cells

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15
Q

What is the uterine tube (oviduct, fallopian tube)

A

This structure transports ovulated oocytes from the ovary to the uterus. If sperm cells are present fertilization will occur in the uterine tube.

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16
Q

What is the infundibulum and the fimbriae

A

The enlarged food portion of the uterine tube that opens over the ovary is called the infundibulum, and the fimbrae extend from the edges of the infundibulum

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17
Q

What is the uterus

A

This hollow structure contains a thick layer of smooth muscle and is lined with a tissue called endometrium. If fertilization has occurred, the zygote will implant in the uterus. If fertilization has not occurred, the endometrium will be shed during a period. The uterus is located in the pelvic cavity, but during pregnancy will expand to fill much of the abdominal cavity as well

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18
Q

What is the thick smooth muscle in the uterus called

A

Myometrium

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19
Q

What is the tissue that lines the uterus

A

Endometrium

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20
Q

What are the regions of the uterus

A

Fundus, body, and cervix

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21
Q

What is the fundus of the uterus

A

The dome-shaped superior aspect of the uterus

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22
Q

What is the cervix

A

The narrow muscular opening to the uterus, usually contains sticky mucus, which prevents the passage of bacteria and other pathogens. Around the time of ovulation, this mucus thins, allowing sperm to pass through

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23
Q

What is the broad ligament of the uterus

A

This “ligament” is actually a fold of peritoneum that covers and supports the uterus, uterine tube and ovary

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24
Q

What is the vagina (vaginal canal)

A

This hollow muscular tube connects the uterus to the outside world

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25
Q

What is the vaginal orifice

A

The external opening of the vaginal canal
The walls of the vaginal canal secrete a fluid that lubricates the canal and orifice during sexual arousal

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26
Q

What is the labia minora

A

Two thin folds of skin that enclose the vaginal orifice and urethral opening

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27
Q

What is the labia majora

A

Two thicker folds of skin that enclose the labia minora and the glans of the clitoris

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28
Q

What is the glans of the clitoris

A

This structure contains a spongy erectile tissue, like that found in the penis

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29
Q

What is structure A

A

Ureter

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30
Q

What is structure B

A

Urinary bladder

31
Q

What is structure C

A

Seminal gland

32
Q

What is structure D

A

Prostate gland

33
Q

What is structure E

A

Bulbo-urethral gland

34
Q

What is structure F

A

Urethra
F1: intermediate part of urethra

35
Q

What is structure G

A

Foreskin (part of penis)

36
Q

What is structure H

A

Glans penis (part of penis)

37
Q

What is structure i

A

Epididymis

38
Q

What is structure j

A

Testis

39
Q

What is structure k

A

Scrotum

40
Q

What is structure A

A

Testicular n. (Plexus)

41
Q

What is structure b

A

Testicular a.

42
Q

What is structure c

A

Ductus deferens

43
Q

What is structure d

A

Epididymis

44
Q

What is structure e

A

Testis

45
Q

What is structure A

A

Urinary bladder

46
Q

What is structure b

A

Ureter

47
Q

What is structure c

A

Seminal gland

48
Q

What is structure d

A

Ejaculatory duct

49
Q

What is structure e

A

Prostate gland

50
Q

What is structure f

A

Bulbo-urethral gland

51
Q

What is structure g

A

Urethra

52
Q

What is structure h

A

Vas deferens

53
Q

What is structure i

A

Epididymis

54
Q

What is structure j

A

Testis

55
Q

What is structure a

A

Ureter

56
Q

What is structure b

A

Urinary bladder

57
Q

What is structure c

A

Uterine (fallopian) tube

58
Q

What is structure d

A

Ovary

59
Q

What is structure e

A

Uterus

60
Q

What is structure f

A

Urethra

61
Q

What is structure g

A

Vagina

62
Q

What is structure h

A

Clitoris

63
Q

What is structure i

A

Prepuce of clitoris

64
Q

What is structure j

A

Labia minora

65
Q

What is structure a

A

Uterine (fallopian) tube

66
Q

What is structure b

A

Ovary

67
Q

What is structure c

A

Vagina

68
Q

What is structure d

A

Myometrium (smooth muscle)

69
Q

What is structure e

A

Endometrium

70
Q

What is the flow of sperm during ejaculation after the sperm exits the testis

A

Epididymis -> ductus deferens -> ejaculatory duct -> urethra

71
Q

What are the fluids that make up semen

A

Sperm
Fluid from prostate
Fluid from the seminal vesicles
Fluid from the bulbourethral gland

72
Q

What is a vasectomy

A

A type of birth control where the vans deferens is severed just inferior to the inguinal canal

73
Q

After a vasectomy, what is still found in the semen

A

Fluid from the seminal vesicles, prostate and bulbourethral gland

74
Q

What is the path of an egg during ovulation

A

Ovary -> fimbrae guide egg -> oviduct -> fundus of uterus -> body of uterus -> cervix -> vagina -> vaginal orfice

Biol 164 (5 decks)

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