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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) -> internal 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
What is indicated by the blue star?
-Cranial pole of the testis
26
What is indicated by the blue star?
-Head of the epididymis
27
What is indicated by the blue star?
-Body of the epididymis
28
How do you find the ductus deferens?
-By following the tail of the epididymis
29
Which side of the testicle can you see the body of the epididymis?
-Located in the lateral approach
30
Where does the ductus deferens go?
-Goes up inside the spermatic cord and goes inside the abdomen -Will open up in the very beginning of the urethra
31
What is indicated by the red arrow indicated by the star?
-Ductus deferens inside the abdomen
32
What is indicated by the red arrow indicated by the star?
-Ductus deferens inside the spermatic cord
33
What is indicated by the blue arrow?
-Testis
34
Where does the ductus deferens open?
-Ejaculatory orifices inside the colliculus seminalis
35
What structure is "missing" in the penis of large animals?
-No os penis
36
What are the 2 main erectile tissues of the penis in the horse?
-Corpus cavernosum -Corpus spongiosum
37
The bulbus penis is a part of the
-corpus cavernosum
38
What is the corpus cavernosum?
-Dorsal erectile tissue -Comes from the root of the penis, covers all of the body, and stays until glans penis
39
What is the corpus spongiosum?
-Surrounds urethra the whole time -Makes bulbous tissue
40
What is indicated by the blue star?
-Corpus cavernosum
41
What is indicated by the blue star?
-Corpus spongiosum
42
What is indicated by the blue star?
-Bulbus penis
43
What is the root of the penis formed by?
-Pilars of the penis and bulb of the penis
44
What are the Pilars of the penis formed by?
-Corpus cavernosum & ischiocavernosus muscles
45
What is indicated by the blue star?
-Corpus cavernosum m.
46
What is indicated by the blue star?
-Ischiocavernosus m.
47
What is indicated by the blue star?
-Bulb of the penis
48
What surrounds the corpus cavernous?
-Tunica alba (white)
49
What is indicated by the blue star?
-Bulbospongious m.
50
What is indicated by the blue star?
-Retractor muscle of the penis
51
What is indicated by the blue arrow?
-Tunica alba
52
What is indicated by the blue arrow?
-Urethra (ventral to penis)
53
What is indicated by the blue arrow?
-Corpus spongiosum
54
What is indicated by the blue arrow?
-Tunica alba
55
What is indicated by the blue arrow?
-Corpus cavernosous
56
The most cranial part of the body of the penis can unfold ____ from the prepuce
-Twice
57
What is the elongation of the urethra that is inside the fossa of the glands?
-Urethral process
58
What does the prepucial orifice do?
-Allows penis to go very cranially
59
What covers the glands making a ring called the prepucial ring?
-Prepucial fold
60
What is indicated by the blue star?
-Internal lamina
61
What is indicated by the blue star?
-Prepucial cavity
62
What is indicated by the blue star?
-Corpus cavernosus (dorsal to glans)
63
What is indicated by the blue star?
-Corpus spongiosum
64
What is indicated by the blue star?
-Urethra
65
What is indicated by the blue star?
-Prepucial fold
66
What is indicated by the blue star?
-Fossa of the glans
67
What is indicated by the blue star?
-Prepucial orifice (allows penis to go very cranially)
68
What is indicated by the blue star?
-Urethral process
69
What is indicated by the blue star?
-Prepucial ring
70
What is indicated by the blue star?
-External lamina
71
What is indicated by the blue star?
-Prepucial fold
72
What is indicated by the blue star?
-Glans
73
What is indicated by the blue star?
-Urethral sinus
74
What is indicated by the blue star?
-External lamina
75
What is indicated by the blue star?
-Internal lamina
76
What is indicated by the blue star?
-Skin of the glans
77
What is indicated by the blue star?
-Prepucial ring
78
What is the most external prepucial fold?
-External lamina
79
What is indicated by the blue star?
-Corona of the glans
80
What is indicated by the blue star?
-Fossa of the glans
81
What is indicated by the blue star?
-Urethral process
82
What are the accessory genital glands in horses?
-Ampullary gland (ductus deferens) -Vesicular gland -Prostate -Bulbourethralis gland
83
What is indicated by the blue arrow?
-Ureters
84
What is indicated by the blue arrow?
-Ampullary gland (ductus deferens)
85
What is indicated by the blue arrow?
-Vesicular gland
86
What is indicated by the blue arrow?
-Prostate
87
What is indicated by the blue arrow?
-Bulbourethralis gland (most caudal part of pelvic urethra)
88
What is indicated by the blue star?
-Ductus deferens
89
What is indicated by the blue star?
-Ampullary gland (ductus deferens)
90
What is indicated by the blue star?
-Vesicular gland
91
What is indicated by the blue star?
-Vesicular gland
92
What is indicated by the blue star?
-Prostate
93
What is indicated by the blue star?
-Urethra m. (covering urethra)
94
What is indicated by the blue star?
-Bulbourethralis gland
95
What do the accessory genital glands do?
-Nutrition for spermatozoa

Exam block 3 (39 decks)

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