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Criado por Diamond Sapphire
quase 4 anos atrás
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Questão | Responda |
each testis is surrounded by a dense CT capsule called the ___ ___ | tunica albugenia |
Testicular lobules contain sparse CT with endocrine interstitial cells AKA ___ ___ | Leydig cells |
Leydig cells secrete ___ | testosterone |
continuous with the tunica albugenia; divides testicular parenchyma into lobules; contains rete testis, blood, and lymph | Septula testis and mediastinum testis |
3 components of the seminiferous tubules | Lamina propria, sustentacular (sertoli) cells, and spermatogenic cells |
sertoli cells produce ___-___ ___ | anti-mullerian hormone |
2 major functions of blood-testis barrier | 1. prevents many substances from entering the adluminal compartment, where the vital process of meiosis and spermiogenesis takes place 2. prevents auto-immune reactions against postspermatogonial germ cells |
Sertoli cells have ___, ___, and ___ functions for the spermatogenic cells. They also play a role in the ___ of degenerating spermatogenic cells | nutritive, protective, supportive phagocytosis |
Inhibin (from sertoli cells) has a ___ feedback on FSH | negative |
Spermiogenesis is ____ to ___ | spermatogonia to spermatid |
What are the 4 phases of spermiogenesis | Golgi phase, cap phase, acrosomal phase, and maturation phase |
secondary spermatocytes indicates the beginning of meiosis ___ | II |
adjoining channels surrounded by loose CT; produces a unique testicular fluid | rete testis |
termination of the convoluted seminiferous tubules; connected to rete testis | straight testicular tubules |
The cooling of the spermatic cord is aided by the ___ ___ | pampiniform plexus |
blood flow in the spermatic cord from V-A serves the purpose of ___ ___ | hormone transfer |
blood flow in the spermatic cord from A-V serves the purpose of ___ ___ ___ | cooling the blood |
sperm maturation occurs in the __ and ___ of the epididymus | head, body |
This structure unites the excretory gland of the vesicular gland at colliculus seminalis into uretrha | ductus deferens |
What are the male accessory sex glands? | glandular portion of the ductus deferens vesicular gland, prostate, bulbourethral gland |
What is the sole accessory sex gland of the male dog? | prostate (bi-lobed) |
which accessory sex gland is absent in male carnivores? | vesicular gland |
this glands secretory product accounts for a % of seminal plasma in ejaculate | vesicular gland |
the body of the ___ surrounds pelvic urethra at colliculus seminalis | prostate |
what factors change the position of the prostate in dogs? | age, reproductive status, androgenic and sexual stimulus, concurrent disease, distension of the urinary bladder |
___ is the gold standard for measurement of the prostate gland in the dog | ultrasound |
manipulation of the ___ ___ can aid in the management of canine prostate disorders | HPG axis |
This accessory sex gland is dorsolateral to the penile urethra, at the bulb of the penis, and is exceptionally large in boars | bulbourethral gland |
This is paired and forms the body of the penis with the corpus spongiosum | corpora cavernosa |
___ of the muscle cells of the penis = extrusion from prepuce | relaxation |
seminiferous tubule | |
Spermatogonia | |
Leydig cells | |
Spermatids | |
Sertoli Cells |
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