| Term | Definition |
|---|---|
| urogenital systems | In vertebrates, the organs concerned with reproduction and urinary excretion. Although their Hits - 983 |
| uterine luteolysis | Luteolysis is the process by which steroid production ceases and the cells that comprise the corpus luteum (CL) undergo cell death. In many, but not all, animals, luteolysis is initiated by Hits - 986 |
| vegetation | Hits - 1320 |
| veld-fodder | A type of animal feed, is any agricultural foodstuff used specifically to feed domesticated livestock, such as cattle, rabbits, sheep, horses, chickens and pigs. "Fodder" refers particularly to food given to the animals, rather than that which they forage for themselves Hits - 991 |
| ventrocaudal | Both ventral and caudal. Hits - 1213 |
| venturi injector | A component that utilizes Hits - 910 |
| vertebrae | These are the 33 individual, interlocking bones that form the spinal column. Each Hits - 1018 |
| viable | Being capable of working successfully; feasible. Hits - 843 |
| viable semen | Refers to the percentage of live Hits - 991 |
| vibriosis | An infectious disease of sheep and cattle caused by a bacterium (Campylobacter fetus synonym Vibrio fetus) and marked by infertility and abortion also : infection with or disease caused by a vibrio. Hits - 950 |
| vigour | Physical strength and good health Hits - 1001 |
| visceral pleura | Is the delicate membrane that covers the surface of each lung, and dips into the fissures between the lobes of the lung. The Hits - 938 |
| vulva | The external opening of the vagina or reproductive tract in a female mammal or nematode. Hits - 890 |
| weaning | Is the process of gradually introducing an infant human or another mammal to what will be its adult diet while withdrawing the supply of its mother's milk. The process takes place only in mammals, as only mammals produce milk. Hits - 1050 |
| zygote | Is the cell that forms by the union of an egg cell and a sperm cell. A fertilized female egg from which a baby will develop is an example of a Hits - 990 |