Male Repro Flashcards

1
Q

What is the inguinal canal?

A

Opening in the caudal part of the abdominal wall. Testes descend into scrotum here

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2
Q

Where does the inguinal canal extend?

A

Deep inguinal ring to the superficial inguinal ring

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3
Q

What forms the superficial inguinal ring?

A

Aponeurosis of the EAO where it splits into a pelvic insertion and an abdominal insertion

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4
Q

What are the boundaries of the deep inguinal ring?

A

Caudal: Inguinal ligament
Cranial: caudal free edge of IAO
Medial: lateral edge of prepubic tendon

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5
Q

Structures passing cranial to the inguinal ligament are..

A

Going through the inguinal canal

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6
Q

What structure are going through the inguinal canal in a stallion? (6)

A
  • Vaginal ring
  • Parietal vaginal tunic
  • Spermatic cord
  • Cremaster m
  • Genitofemoral n
  • External pudendal a
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7
Q

What is the parietal vaginal tunic?

A

Where the parietal peritoneum evaginates through the inguinal canal around the structures of the spermatic cord

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8
Q

What is the vaginal ring?

A

Ring of peritoneum around the spermatic cord as it leaves the abdominal cavity and passes through the deep inguinal ring

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9
Q

What structures pass through the inguinal canal in the mare?

A
  • Genitofemoral n
  • Branches of L2
  • External pudendal artery
  • NO vaginal process
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10
Q

What structures pass through the inguinal canal in the mare?

A
  • Genitofemoral n
  • Branches of L2
  • External pudendal artery
  • NO vaginal process
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11
Q

What is in the Clinical spermatic cord? (9)

A
  1. ductus deferens
  2. Mesoductus deferns
  3. Testicular artery
  4. Testicular veins
  5. Lymphatics of testis and epididymis
  6. Testicular nerve plexus
  7. Mesorchium
  8. Cremaster m
  9. Parietal vaginal tunic
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12
Q

What are the types of penis?

A
  1. Musculocavernous

2. Fibroelastic

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13
Q

Describe the musculocavernous penis?

A
  • Blood filled spaces predominate over CT.
  • No sigmoid flexure
  • Flaccid when not erect
  • Seen in stallions and carnivores
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14
Q

Describe the fibroelastic penis.

A
  • Fibro-elastic trabeculae prodominate
  • Sigmoid flexure
  • Firm when not erect
  • In pigs and ruminants
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15
Q

What is the corpus spongiosum?

A

Surrounds the urethra

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16
Q

What is the corpus spongiosum?

A

Surrounds the penile urethra and expands to form the glans and dorsal process of glans

17
Q

What is the corpus cavernosum?

A

Provides rigidity

18
Q

Where is the glans?

A

Caps the distal end of the corpus cavernosum

19
Q

What is the dorsal process of the penis?

A

Caudal extension of the glans on the dorsal surface

20
Q

What is the collum glandis?

A

Constriction of the middle of the glans

21
Q

What is the corona glandis?

A

Circular edge that contains papillae

22
Q

What is the fossa glandis?

A

Cranial indented surface of the glans

23
Q

What is the dorsal recess of the fossa glandis?

A

Urethral sinus

24
Q

What forms the prepuce?

A
External fold (prepuce proper)
Internal fold (preputial fold)
25
Q

What does the external fold of the prepuce consist of?

A

External and internal lamina that meet cranially at preputial orifice

26
Q

What does the internal fold consist of?

A

Arises from the internal lamina of external fold and has an inner and out lamina that fold and meet cranially to form preputial ring

27
Q

What is the preputial cavity?

A

Space between external and internal fold

28
Q

What supplies blood to the penis?

A
  1. External pudendal artery
    - gives off cranial artery of the penis
    - Terminates as dorsal arter of the penis
  2. Obturator artery
    - middle artery of the penis
    - Deep artery of the penis
  3. Internal Pudendal artery
    - Artery of the penis
    - Artery of the bulb of the penis
29
Q

What are the accessory Sex glands in the horse?

A
  1. Ampullary gland
  2. Vesicular gland
  3. Prostate gland
  4. Bulbourethral gland
30
Q

What is the ampullary gland?

A

Terminal part of deferent duct is thickened by these glands. Form the ampulla of deferent duct

31
Q

What is the vesicular gland?

A

(Seminal vesicle) Paired, elongated, pear shaped and hollow. Lie within genital fold

32
Q

What is the prostate glands?

A

Retroperitoneal. Bilobed joined by isthmus, disseminate part is absent

33
Q

What is the bulbourethral glands?

A

Paired club shaped tubular glands. Covered by bulboglandularis