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Reproductive systems
Unit 4 section 3
| Question | Answer |
|---|---|
| What are the ovaries held in place by? | Suspensory or ovarian ligament |
| What is the mesovarium? | Visceral peritoneum that suspends ovary from dorsal body wall & encloses infundibulum of uterine tube |
| What does the structure of the ovary change to during oestrus? | Nodular |
| What is the follicle called that nourishes and protects the egg? | Graafian follicle |
| What are some functions of the testes? | Produce spermatozoa Produce fluid Secrete testosterone |
| What is the muscle called that helps the testes regulate temperature? | Dartos muscle |
| What can cause a sertoli cell tumour in males? | Untreated cryptorchidism |
| Where in the testes are the sperm formed? | Seminiferous tubules |
| When do testes descend in kittens? | 10-12 weeks |
| What cells produce testosterone in the testes? | Cells of leydig |
| What hormones stimulate testosterone production and where are they produced from? | ICSH & LH from Pituitary gland |
| Where is FSH produced? | Anterior pituitary gland |
| What hormone prepares the reproductive tract & external genitalia of the female ? | Oestrogen |
| What is the name of the scar tissue formed once the graafian follicle has ruptured? | Corpus luteum |
| What hormone is produced by the corpus luteum? | Progesterone |
| What hormone does progesterone inhibit? | FSH |
| What type of tissue lines the uterine tubes? | Ciliated epithelium |
| What type of uterus does a rabbit have? | Duplex uterus |
| How much longer are the uterine horns than the uterine body in dogs and cats? | 5 X |
| What are the names of the muscle layers of the uterine body? | Endometrium, myometrium, mesometrium |
| Where is sperm stored to mature? | Cauda epididymis |
| Where is the penis of the dog located? | From the ischial arch of the pelvis, passing cranio-vertically along perineum & between hind limbs |
| What is the erectile tissue called? | Corpus spongiosum penis |
| What gland is only found in the male reproductive system of the cat? | Bulbourethral |
| What is the function of the bulbourethral gland? | Produces clear fluid to neutralize acidic urine in urethra |
| How long does it take for sperm to develop? | 70 days |