Male Repro Flashcards
the ___ make up the majority of the parenchyma of the testes
seminiferous tubules
the thick outer connective tissue layer of the testes is called
tunica albuginea
name the structures that the sperm go through in order as it leaves the testicle
seminiferous tubules, straight tubules, rete testes, efferent ductules, epididymal duct, deferent duct
go label the diagram on dyce page 187 :)
DO IT YA MOTHER FFING PRINCESS
the gubernaculum is the structure that guides the ____ to the _____
testes, scrotum
the gubernaculum attaches to the ____ of the testicle
caudal pole
in the early phases, the gubernaculum is fused with the _____, so when the testicle descends, it brings the layer with the testicle through the ____
parietal peritoneum
deep inguinal ring
the process going through the deep inguinal ring which is composed of the two layers of the peritoneum is called a _____
vaginal process
at the level of the descended testes, the parietal peritoneum is now called the _____ and the visceral peritoneum is now called the _____
parietal vaginal tunic
visceral vaginal tunic
as the gubernaculum regresses it becomes small but remains attached to the testicle and becomes a fusion with the peritoneum called the _______
proper ligament of the testes
the hole in the peritoneum that gets pulled through the inguinal ring is called the _____
vaginal ring
the deep inguinal ring is created by the caudal edge of the _______ and the _______
internal abdominal oblique
the shaft of the ilium/iliopsoas
the superficial inguinal ring is a _______ of the _____
aponeurosis
external abdominal oblique
the ____ is a structure that passes through the inguinal ring, and it contains the deferent duct as well as blood vessels such as the external pudendal artery
spermatic cord
the muscle that passes through the inguinal ring is called the____ and it inserts onto the _____
cremaster muscle
internal fascia??
the ____ pass through the inguinal ring but NOT the vaginal ring. They escape via the _____
femoral vessels
vascular lacuna
the urethra in males has 2 portions. What are they?
the pelvic urethra and the penile urethra
bulls have a _____ penis
fibroelastic
much less blood is needed to cause an erection in a _____ penis compared to a ____penis
fibroblastic
musculocavernosus
the retractor penis muscle is a ____ muscle that wraps around the ____ dorsally
smooth
rectum
the two places a urinary stone were to get stuck in the bull are:
ischial arch
sigmoid flexure
the _____ expands over the distal tip of the penis in the glans
corpus spongiosum
the body of the penis is made up of the _____
corpus cavernosum
in bulls, there is a fold of tissue on the right side of the tip of the penis called the ____ which is a remnant of the _____
raphe
prepubertal state of penis
which species have an abnormal, extended urethral process?
billys and rams
the pelvic urethra is surrounded by a ______ layer which is ____ tissue. This becomes the ______
submucosal vascular
spongey
corpus spongiosum
the 2 corpus cavernosi run ____ to the corpus spongiosum before they converge into 1 structure
dorsally
horses have a _____ penis, which means it has larger _____
musculocavernous
vascular compartments
in the musculocavernous penis, the ____ doesn’t encompass the penile urethra and corpus spongiosum. Instead, the _____ does down further and wraps around the corpus spongiosum
tunica albuginea
bulbospongiosus muscle
the bulbospongiosus muscle is an extension of the _____ muscle and pelvic urethra
urethralis
the 2 corpus cavernosi originate ____
tuber ischi
the corpus cavernosum is surrounded by the _____ muscle
ischiocavernosus
what is the origin of the retractor penis muscle?
caudal vertebrae
the boar has a ____ penis
fibroelastic
the boar has a ______ which is a large space structure lying dorsal to the prepuce. It is invested with _____
preputial diverticulum
glands
in dogs, the _____ is very enlarged at the location of the ischial arch
corpus spongiosum
instead of 3, the dog has 4 components to the penis, which are:
2 corpus cavernosum and 2 corpus spongiosum
in the dog, the tip of the corpus cavernosum is _____, called the______
ossified
os penis
in the dog, the glans penis has 2 portions: the ___ and the ____
bulbus glandis
pars longus
the dog has a _____penis
musculocavernous
the bulb of the penis in the dog is what?
the 2 lobes of the corpus spongiosum
label the cross-sections on slide 4 of atypical penis
DO IT GURL
cats have a ____ penis
musculocavernous
cats have ____ on the glans penis when erect
keratinized spines
because the cat penis does not curl under, which corpus layer is dorsal?
corpus spongiosum
list the male accessory glands from cranial to caudal
ampulla, vesicular glands, prostate, bulbourethral gland
which is on top of the other: deferent ducts or the ureters?
the ureter is over the deferent duct
the point in which the pelvis lining folds back on itself is _____
the level of the prostate gland (caudal to here, becomes retroperitoneal)
the bull has 2 portions of the prostate called:
disseminate, which is spread throughout the pelvic urethra
compact, like a bar or short band
the structure rising from the roof of the urethra going ventrally into the urethra is called the ______. The ducts from the_____ and the _____ open onto here. In most species these two ducts are joined prior to the opening, and the singular opening is called the _____
seminal colliculus
ampulla
deferent ducts
ejaculatory duct
lateral to the ejaculatory duct are small pores that are openings from the ______
prostate
llamas do not have ______, and their _____ is oddly shaped
vesicular glands
prostate
dogs do not have _____ or _____. They have a large, bilobed____ that encircles the entire urethra.
vesicular glands, bulbourethral glands
prostate
cats don’t have _____ or _____. Their prostate does not _____
vesicular glands, ampulla
encircle the entire urethra
the cremaster muscle comes off of the ______
internal abdominal oblique
