Repro lecture - Warning! I was getting really tired with this at the end Flashcards
What are the layers from scrotal skin to testicle?
skin>tunica dartos>spermatic fascia>tunica vaginalis>testicle/epididymus
What layer surrounds the cremaster muscle?
spermatic fascia
What surrounds the testicle?
mesorchium
Scrotum contains what type of nervous/arteial supply?
cutaneous
What anchors the embryonic testes to the abdominal wall?
gubernaculum
What is another name for the gubernaculum?
genito-inguinal ligament
What structure/edge makes up the inguinal ligament?
free edge of the ext. abdominal oblique aponerosis
What does the proximal portion of the gubernaculum become?
proper ligament of the the testis
What does the distal portion of the gubernaculum become?
ligament of the tail of the epididymis
What are the 3 components of the vaginal tunic?
- parietal layer of the tunica vaginalis
- visceral layer of the tunica vaginalis
- spermatic cord, testis, epididymis
What is the internal evagination of the peritoneum in the cavity of the vaginal tunic?
vaginal process
What is cryptorchidism?
retension of one or more testes in the body cavity
What causes cryptorchidism?
It’s too big!!!
They can’t fit through the inguinal ring
What structures run through the spermatic cord?
ductus deferens genitofemoral n. testicular a. pampiniform plexus Cremaster m. tunica vaginalis mesorchium
What does the mesorchium cover?
testicular a.
pampiniform plexus
testicular n.
lymphatics
What does the mesoductus deferens?
ductus deferens
blood/nerve supply from pelvic cavity
What are the structures surrounding the testes?
tunica vaginalis
spermatic fascia
cremaster muscle
scrotum
What accessory sex glands do horses have?
vesicular glands, prostate, ampulla, bulbourethral bland
What are the 2 internal erectile tissues of the penis?
corpus cavernosum and corpus spongiosum
What are the parts of the penis?
root (2 crura and a bulb), body, and glans
Where does the corpus cavernosum begin?
At the bulb of the penis in the root
Which erectile tissue surrounds the urethra in the ventral half of the penis? The glans part?
corpus cavernosum
corpus cavernosum glandis
What is the penis covered by externally?
Hopefully not hair
prepuce
What does the preputial fold/ring allow for in horses?
long extension of the penis
What type of penis is the stallion penis?
musculocavernous penis
What is the muscle in the penis that allows for extensive dilation?
bulbospongiosus
The horse has a __________ that extends back over the coprus cavernosum. Evidently it’s unique to the horse. Go figure.
dorsal process of the glans penis
What arteries supply the male stuff?
external pudendal distally
obturator in the middle
internal pudendal proximally
The urethra of the bull has a _________________located caudal to the ischiatic arch.
urethral recess/diverticulum
What type of penis does a bull have?
fibroelastic
What is the part of the broad ligament that covers the ovary? Oviducts? Uterus?
mesovarium
mesosalpinx
mesometrium
The ovum ruptures through the outer ______ and peritoneum into the ovarian bursa.
tunica albuginia
Where is the ovary located in the horse?
Cow?
in the abdominal cavity
pelvic cavity
What connects the uterine horn to the ovary?
proper ovarian ligament
What are the free margins/processes of the infundibulum?
fimbria
What are the layers of the uterus?
endometrium, myometrium, perimetrium
Rugae are in the _______
vagina
lucky rugae
Where is the external urethral orifice located?
ventral floor of the vagina
What are 2 structures of the labia?
dorsal and ventral commissures
Where is the clitoris?
In the ventral commissure of the labia.
Congrats. You found it.
What is a unique structure on the mare ovary that makes you wonder how anything gets done?
ovulation fossa
Oh! Don’t forget the cortex is more medial than the medulla. Cuz why not. They don’t make sense. I don’t write the rules.
How do the folds in the mare cervix look like?
longitudinal folds of endometrium
How do the folds in the cow look?
transverse folds/rings
What are the mushroom things on the endometrium?
uterine caruncles
What connects the caudal end of each uterine horns?
intercornual ligaments
What structure in the vestibule makes catheterization hard?
suburethral diverticulum
Can anyone find the glans clitoris in the cow?
Only the talented
