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Male Reproductive Anatomy - Donkey (view source)
Revision as of 22:37, 22 February 2010
, 22:37, 22 February 2010no edit summary
[[Image:Anatomy male donkey.jpg|left|thumb|200px|<small><center>Anatomy of the male urogenital organs: 1) kidney, 2) ureter, 3) urinary bladder, 4) ampulla of the vas deferens, 5) vesicular glands, 6) prostate, 7) vas deferens, 8) pelvic portion of the penis, 9) bulbo-urethral glands, 10) glans penis, 11) testis, 12) penile shaft. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Anatomy male donkey.jpg|left|thumb|200px|<small><center>Anatomy of the male urogenital organs: 1) kidney, 2) ureter, 3) urinary bladder, 4) ampulla of the vas deferens, 5) vesicular glands, 6) prostate, 7) vas deferens, 8) pelvic portion of the penis, 9) bulbo-urethral glands, 10) glans penis, 11) testis, 12) penile shaft. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Internal genitals male donkey.jpg|right|thumb|200px|<small><center>Anatomy of the male internal genital organs: 1) vas deferens, 2) urinary bladder, 3) ampulla of the vas deferens,4) vesicular gland, 5) prostate, 6) bulbourethral gland. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Internal genitals male donkey.jpg|right|thumb|200px|<small><center>Anatomy of the male internal genital organs: 1) vas deferens, 2) urinary bladder, 3) ampulla of the vas deferens,4) vesicular gland, 5) prostate, 6) bulbourethral gland. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Testis exposed donkey.jpg|right|thumb|200px|<small><center>Medial (A) and lateral (B) view of the testis exposed by opening the vaginal tunic: 1) open vaginal tunic, 2) vas deferens, 3) pampiniform plexus, 4) caput (head) epididymis, 5) corpus
(body) epididymis, 6) testis, 7) cauda (tail) epididymis. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
The '''reproductive organs of the jack are larger than a stallion’s.''' In the adult North African donkey, the bulbo-urethral gland’s length and width range from 2.8 to 3.5 and 3.5 to 5 cm respectively. The prostate measures 3.8 to 6 cm in length, 2.6 to 3.5cm in width and 1.6 to 2.5 cm in thickness. The vesicular glands (seminal vesicles) measure 5 to 13 cm in length and 2.5 to 4 cm in diameter. The ''ampullae'' of the ''vas deferens'' are 10 to 13.5 cm in length and 1.6 to 2.5 cm in diameter. During erection and ejaculation, the ''glans penis'' presents a more pronounced dilation. Video-endoscopic examination shows a more prominent ''colliculus seminalis''.
The '''reproductive organs of the jack are larger than a stallion’s.''' In the adult North African donkey, the bulbo-urethral gland’s length and width range from 2.8 to 3.5 and 3.5 to 5 cm respectively. The prostate measures 3.8 to 6 cm in length, 2.6 to 3.5cm in width and 1.6 to 2.5 cm in thickness. The vesicular glands (seminal vesicles) measure 5 to 13 cm in length and 2.5 to 4 cm in diameter. The ''ampullae'' of the ''vas deferens'' are 10 to 13.5 cm in length and 1.6 to 2.5 cm in diameter. During erection and ejaculation, the ''glans penis'' presents a more pronounced dilation. Video-endoscopic examination shows a more prominent ''colliculus seminalis''.
[[Image:Testis in vaginal tunic donkey.jpg|left|thumb|200px|<small><center>Lateral (A) and medial (B) view of the testicle enclosed in its vaginal tunic: 1) cremaster, 2) testis, 3) cauda epididymis, 4) vas deferens. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Scrotum donkey.jpg|center|thumb|400px|<small><center>External views of the scrotum. Note the pendulous scrotum in the lateral view (left) and the large, prominent cauda epididymis in the caudal view. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
[[Image:Scrotum donkey.jpg|center|thumb|400px|<small><center>External views of the scrotum. Note the pendulous scrotum in the lateral view (left) and the large, prominent cauda epididymis in the caudal view. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]