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Exam block 3 > Exam 2: Lecture 19: Male Reproductive System > Flashcards

Exam 2: Lecture 19: Male Reproductive System Flashcards

1
Q

What are the male repro organs?

A

-Testis
-Epididymis
-Deferent duct
-Penis
-Accessory genital glands

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2
Q

What is this?

-Responsible for testicular descent
-Takes around 100-120 days for testicle to descend
-Will widen (open) the inguinal canal
-Will completely descent into scrotal sac

A

-Gubernaculum testi

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3
Q

When does testicular descent occur?

A

-Around birth or 1-2 weeks after

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4
Q

What happens if the testicle doesn’t descend?

A

-Cryptorchidism (testicle is trapped inside the inguinal canal or abdomen)

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5
Q

What is the arrow pointing to?

A

-Gubernaculum testi

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6
Q

Where does the tunica dartos come from?

A

-Scarpa’s fascia (subcutaneous tissue)

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7
Q

Where does the external spermadic fascia come from?

A

-Comes from external abdominal oblique m. fossa

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8
Q

Where does the cremaster muscle come from?

A

-Comes from internal abdominal oblique m. fascia

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9
Q

Where does the tunica vaginalis (parietal) come from?

A

-Comes from transversals fascia

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10
Q

Where does the tunica vaginalis (visceral) come from?

A

-Comes from peritoneum

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11
Q

What are the layers of the scrotum starting from skin?

A

Skin -> tunica dartos -> external spermatic fascia -> cremaster m. (& cremaster fascia) -> external spermatic fascia -> visceral vaginal tunic

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12
Q

What covers the most cranial part of the penis?

A

-The prepuce

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13
Q

What separates the scrotum into left and right sac?

A

-Preputial raphé

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14
Q

What is different about the scrotum in horses than in dogs and cats?

A

-Scrotum in horses is more cranial to the perineal region than dogs and cats

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15
Q

What is another name for the spermatic cord?

A

-Funiculus spermaticus (this is the technical name)

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16
Q

What is the meso that hold the testicle?

A

-The proximal mesorchium

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17
Q

What is super strong in horses and lies between the external and internal spermatic fascia?

A

-Cremaster muscle

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18
Q

What things are inside the funiculus spermaticus?

A

-Testicular artery
-Testicular vein
-Ductus deferens (& ductus deferens blood vessels, nerves, and lymphatics)
-Vaginal tunic

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19
Q

What is the pampiniform plexus?

A

-Surrounds the artery
-A net of veins
-Cools down the temperature of arteries going into the testicle

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20
Q

What is the dorsal border of the testicle?

A

-Body of the epididymis

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21
Q

What is indicated by the blue star?

A

-Ductus deferens

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22
Q

What is indicated by the blue star?

A

-Tail of the epididymis (Very very large structure in horses!!)

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23
Q

What is indicated by the blue star?

A

-Caudal pole of the testis

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24
Q

What is indicated by the blue star?

A

-Free border of the testis

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25
Q

What is indicated by the blue star?

A

-Cranial pole of the testis

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26
Q

What is indicated by the blue star?

A

-Head of the epididymis

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27
Q

What is indicated by the blue star?

A

-Body of the epididymis

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28
Q

How do you find the ductus deferens?

A

-By following the tail of the epididymis

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29
Q

Which side of the testicle can you see the body of the epididymis?

A

-Located in the lateral approach

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30
Q

Where does the ductus deferens go?

A

-Goes up inside the spermatic cord and goes inside the abdomen
-Will open up in the very beginning of the urethra

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31
Q

What is indicated by the red arrow indicated by the star?

A

-Ductus deferens inside the abdomen

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32
Q

What is indicated by the red arrow indicated by the star?

A

-Ductus deferens inside the spermatic cord

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33
Q

What is indicated by the blue arrow?

A

-Testis

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34
Q

Where does the ductus deferens open?

A

-Ejaculatory orifices inside the colliculus seminalis

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35
Q

What structure is “missing” in the penis of large animals?

A

-No os penis

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36
Q

What are the 2 main erectile tissues of the penis in the horse?

A

-Corpus cavernosum
-Corpus spongiosum

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37
Q

The bulbus penis is a part of the

A

-corpus cavernosum

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38
Q

What is the corpus cavernosum?

A

-Dorsal erectile tissue
-Comes from the root of the penis, covers all of the body, and stays until glans penis

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39
Q

What is the corpus spongiosum?

A

-Surrounds urethra the whole time
-Makes bulbous tissue

40
Q

What is indicated by the blue star?

A

-Corpus cavernosum

41
Q

What is indicated by the blue star?

A

-Corpus spongiosum

42
Q

What is indicated by the blue star?

A

-Bulbus penis

43
Q

What is the root of the penis formed by?

A

-Pilars of the penis and bulb of the penis

44
Q

What are the Pilars of the penis formed by?

A

-Corpus cavernosum & ischiocavernosus muscles

45
Q

What is indicated by the blue star?

A

-Corpus cavernosum m.

46
Q

What is indicated by the blue star?

A

-Ischiocavernosus m.

47
Q

What is indicated by the blue star?

A

-Bulb of the penis

48
Q

What surrounds the corpus cavernous?

A

-Tunica alba (white)

49
Q

What is indicated by the blue star?

A

-Bulbospongious m.

50
Q

What is indicated by the blue star?

A

-Retractor muscle of the penis

51
Q

What is indicated by the blue arrow?

A

-Tunica alba

52
Q

What is indicated by the blue arrow?

A

-Urethra (ventral to penis)

53
Q

What is indicated by the blue arrow?

A

-Corpus spongiosum

54
Q

What is indicated by the blue arrow?

A

-Tunica alba

55
Q

What is indicated by the blue arrow?

A

-Corpus cavernosous

56
Q

The most cranial part of the body of the penis can unfold ____ from the prepuce

57
Q

What is the elongation of the urethra that is inside the fossa of the glands?

A

-Urethral process

58
Q

What does the prepucial orifice do?

A

-Allows penis to go very cranially

59
Q

What covers the glands making a ring called the prepucial ring?

A

-Prepucial fold

60
Q

What is indicated by the blue star?

A

-Internal lamina

61
Q

What is indicated by the blue star?

A

-Prepucial cavity

62
Q

What is indicated by the blue star?

A

-Corpus cavernosus (dorsal to glans)

63
Q

What is indicated by the blue star?

A

-Corpus spongiosum

64
Q

What is indicated by the blue star?

65
Q

What is indicated by the blue star?

A

-Prepucial fold

66
Q

What is indicated by the blue star?

A

-Fossa of the glans

67
Q

What is indicated by the blue star?

A

-Prepucial orifice (allows penis to go very cranially)

68
Q

What is indicated by the blue star?

A

-Urethral process

69
Q

What is indicated by the blue star?

A

-Prepucial ring

70
Q

What is indicated by the blue star?

A

-External lamina

71
Q

What is indicated by the blue star?

A

-Prepucial fold

72
Q

What is indicated by the blue star?

73
Q

What is indicated by the blue star?

A

-Urethral sinus

74
Q

What is indicated by the blue star?

A

-External lamina

75
Q

What is indicated by the blue star?

A

-Internal lamina

76
Q

What is indicated by the blue star?

A

-Skin of the glans

77
Q

What is indicated by the blue star?

A

-Prepucial ring

78
Q

What is the most external prepucial fold?

A

-External lamina

79
Q

What is indicated by the blue star?

A

-Corona of the glans

80
Q

What is indicated by the blue star?

A

-Fossa of the glans

81
Q

What is indicated by the blue star?

A

-Urethral process

82
Q

What are the accessory genital glands in horses?

A

-Ampullary gland (ductus deferens)
-Vesicular gland
-Prostate
-Bulbourethralis gland

83
Q

What is indicated by the blue arrow?

84
Q

What is indicated by the blue arrow?

A

-Ampullary gland (ductus deferens)

85
Q

What is indicated by the blue arrow?

A

-Vesicular gland

86
Q

What is indicated by the blue arrow?

87
Q

What is indicated by the blue arrow?

A

-Bulbourethralis gland (most caudal part of pelvic urethra)

88
Q

What is indicated by the blue star?

A

-Ductus deferens

89
Q

What is indicated by the blue star?

A

-Ampullary gland (ductus deferens)

90
Q

What is indicated by the blue star?

A

-Vesicular gland

91
Q

What is indicated by the blue star?

A

-Vesicular gland

92
Q

What is indicated by the blue star?

93
Q

What is indicated by the blue star?

A

-Urethra m. (covering urethra)

94
Q

What is indicated by the blue star?

A

-Bulbourethralis gland

95
Q

What do the accessory genital glands do?

A

-Nutrition for spermatozoa

Exam block 3 (35 decks)

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