26205511
Beschreibung
Karteikarten von Diamond Sapphire, aktualisiert more than 1 year ago
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Erstellt von Diamond Sapphire
vor etwa 4 Jahre
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| Frage | Antworten |
| 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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