Test 2 lecture Male Flashcards
roles of kidney
milieu interieur
red blood cell production
vit D activation
what is the hormone made my the kidneys that helps with the production of red blood cells?
erythropoietin
dog, pig, horse, cow, dolphin
urine path in the kidney
bowmans capsule → nephron→ collecting duct→ renal papilla→ minor calyx→ major calyx → renal pelvis → ureter
the oblique positioning of the ureter entering the bladder helps to prevent ____
backflow of urine inter the ureter
what does trigone of bladder do?
increases stretch area, tells bladder it it full
5
3= ureter
4= trigone of the bladder
5= urethral crest
6= urethra
female ruminants have ___ near the urethra
suburethra diverticulum
clinical issue with the urethra pouch in female ruminants
make it difficult to put in urinary catheter
suburethral diverticulum
where do the ductus deferens empty?
in the ejaculatory duct into the urethra
three parts of the urethra
prostatic, pelvic, penile
shared space of urine and semen in the male
urethra
major function of testis
gamete production (exocrine)
sex hormone secretion (endocrine)
spermatic cord:
ductus deferens, deferent artery and vein
testicular artery/vein (pampiniform plexus), lymph vessels and the testicular plexus of autonomic nerve
the testicular artery and vein form the ___
pampiniform plexus
role of pampiniform plexus
temperature control and countercurrent exchange
connective tissue in the spermatic cord
mesoductus deferens
mesorchium (around pampiniform plexus)
layers of the testis
scrotal skin and dartos
external spermatic fascia
parietal layer of the vaginal tunic
visceral layer of the vaginal tunic
tunica albuginea
what is the muscle that moves the testis
cremaster
internal abdominal oblique branches off to the ___ within the vaginal tunic
cremaster
what pulls the testis down during development
gubernaculum
thin muscle on inside of scrotal wall
dartos
function of the epidiymis
sperm maturation
learn how to swim
fluid concentration
reabsorption of not used parts
gubernaculum becomes ___
ligament of the tail of the epididymis
what connects the epididymis to the testis
proper ligament of the testis
deep inguinal ring is made of ___
he inguinal canal is bounded laterally by the aponeurosis of the exter- nal abdominal oblique, cranially by the internal abdominal oblique, caudally by the caudal border of the external abdominal oblique (the inguinal ligament), and medially by the lateral border of the rectus abdominis and by the transversalis fascia and peritoneum.
the vaginal ring
boundary where the parietal peritoneum becomes the parietal vaginal tunic
function of accessory sex gland
make seminal plasma, flush out urethra, protect sperm, motility and lubercation
accessory sex glands in horse
ampullary
vesicular gland
prostate
bulbourethral gland
sex gland in dog
ampullary
prostate
what drains through the ejaculatory ducts?
sperm from ductus deferens → ampullary gland
the vesicular gland also drains through here
two types of prostates
disseminate prostate
corpus prostate
____ prostate are diffusely spread within the wall of the pelvis urethra
disseminate
__ prostate is compact and placed external to the urethra
corpus
what type of prostate does a goat have?
disseminate prostate
what animal that we are studying does not have a disseminate prostate?
stallion, only has corpus prostate (body of prostate)
1) Crus penis
2) Bulb
3) Corpus spongiosum
4) Sorpus cavernosum
5) Uethra
6) Baldder
7) Ureter
8) Deferent duct
the urethra is surrounded by ___
corpus spongiosum
the glans of the penis is what type of tissue?
expansion of the corpus spongiosum
glans of the ___ is common to get stones because
ram (goat)
very small twisted urethral process can get stone stuck
in the cow the uterine artery branches from the __
umbilical artery
in the bitch the uterine artery branches off the ___
internal iliac/descending aorta
(before the umbilical artery branches off)
umbilical artery becomes the ___
round ligament of the bladder
corpus cavernousum is surrounded by ___
tunica albuginea
what helps dog stay in female during sex
bulbus glandis
(bulbus glandis and pars longa glandis)
what animal has penile spines? what causes the spines?
male cat
testosterone
two types of penis
fibroelastic
musculocavernous
bulls have ___ type of penis, meaning
fibroelastic penis
little blood required for erection
sigmoid flexure when not erect
curve in a fibroelastic penis is maintained by ___ and is called the ___
retractor penis
sigmoid flexure
two layers of the prepuce in a horse
two layers: internal (lamina interna) reflects onto penis
external layer (lamina externa) part of the skin- covered with hair
layers of horse prepuce
outermost fold of the prepuce of a horse
preputial orifice
part of horse prepuce where it it thickened and folds
preputial ring
oily, secretion on prepuce
smegma
