Horse Male Repro Lab Flashcards
What is it called when there is dorsal displacement or prominence of the sacral tuber
Indicates sacroiliac joint subluxation AKA hunter’s bump
-More visible when horse bears weight
Sacrosciatic ligament is found in
In ungulates
What ligament is between sacrum and body of ilium
Sacrosciatic ligament`
What structures pass through greater sciatic foramen?
Cr gluteal a
Cr gluteal n
Sciatic n
T/F There is a vaginal process in mares
F
only males`
Main collection center for pelvis and pelvic limbs
-where are they located
Medial iliac LN
->Located at origin of deep cricumflex a
Where are lateral iliac LN located
Terminal end of deep circumflex a
Type of penis in stallion and dog
Stallion=musculocavernous penis
Dog=modified musculocavernous penis
Distal end of penis that is mushroom shaped
Glans penis
Distal part of glans penis that has largest circumference
Corona glandis
Region caudal to corona glandis with abrupt narrowing
Collum glandis
Space where free urethral process protrudes
Fossa glandis
Dorsal pouch or diverticulum of fossa glandis
Urethral sinus
Urethral sinus may be packed with foul fatty secretion known as
-when hardened
Smegma
hardened: bean of penis
Spongy network of CT and smooth muscles pierced with vascular spaces
Erectile tissue
Describe CSP
corpus spongiosum
-Surrounds urethra and expands to form glans and bulb of penis
Describe CCP
Corpora cavernosa
-Paired dorsal erectile bodies bound by fibrous tunica albuginea
3 main arteries that supply penis
External pudendal a
Obturator a
Internal pudendal a
External pudendal a gives rise to
cranial a of the penis
Obturator a gives rise to
Deep a of the penis (CCP)
Internal pudendal a gives rise to
artery of the bulb (CSP)
Factors that govern testicular descent
Insulin-like factor 3 (descendine)
Gubernaculum testis
Ischiocavernosus m covers
crura of penis
Retractor penis covers
All the way to free part of penis
Bulbospongiosus m covers
All way to free part of penis
When do testicles drop?
time of birth or 2 weeks before birth
Accessory sex glands of stallion
Ampulla
Vesicular glands
Prostate
Bulbourethral gland
