the oviduct in a sentence
1. Fertilisation probably takes place in the oviduct.
2. Up to nine larvae can develop in the oviduct at any one time.
3. Some marsupial species are able to store sperm in the oviduct after mating.
4. a siphon propels the seminal fluid into the oviduct.
5. Other bird species will use porphyrins to pigment eggshells in the oviduct.
6. The eggs travel along the oviduct.
7. Except in teleosts, the oviduct is not directly in contact with the ovary.
8. The distal part of the oviduct, called ootype, is dilated.
9. This shape results from the egg being forced through the oviduct.
10. Muscles contract the oviduct behind the egg, pushing it forward.
11. flight narrows the oviduct, which changes the type of egg a bird can lay.
12. Similar to mammals, fertilization of the avian ovum occurs in the oviduct.
13. and second, one which arises behind the opening of the oviduct;
14. Fertilisation occurs in the oviduct.
15. The eggs are fertilised internally in the oviduct.
16. Egg cases found in the oviduct are soft, pale yellow and translucent.
17. The oviduct is narrow while the spermatheca is spherical.
18. The oviduct is large and swollen, with the same diameter as atrium.
19. The oocyte is then implanted in the oviduct of a pseudopregnant animal.
20. The zygote undergoes cleavage as it journeys from the oviduct to the uterus.
21. The oviduct is thin;
22. the oviduct is short and not narrow;
23. The oviduct widens to a cavity.
24. Reproductive system: Vagina is more than twice the length of the oviduct.
25. The oocyte is then implanted in the oviduct of a pseudopregnant animal.
26. The ovary has smooth contours and posteriorly tapers towards the oviduct.
27. The oviduct receives the vitelloduct and becomes the slender ootype.
28. The adnexitis is refers to the oviduct and ovary's inflammation.
29. epithelium of the oviduct is ciliated.
30. At the ovarian end of the oviduct is the infundibulum.
Some Words
- a mostly Gondwanan distribution
- tropical regions
- The integumentary structure
- some typical characteristics
- terrestrial vertebrates
- highly cornified outer layers
- a moulting process
- the pituitary and thyroid glands
- Local thickenings
- The outside
- one piece
- the sloughed skin
- dermal scales
- the dermis
- the furrows
- The similarity
- the scales
- bony fish
- some frogs
- somewhat similar osteoderms
- bony deposits
- convergent evolution
- similar structures
- diverse vertebrate lineages
- Amphibian skin
- cutaneous respiration
- adult amphibians
- their thin and delicate skin
- mucous glands
- The secretions
- these help
- the skin moist
- granular glands
- distasteful or poisonous substances
- Some amphibian toxins
- little effect
- The main poison-producing glands
- the parotoids
- the neurotoxin bufotoxin
- the backs