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Estrous Cycle Terms
Vet 110 Animal Breeds and Husbandry
| Term | Definition |
|---|---|
| Estrous Cycle | The period of time between one heat period and the next. |
| GnRH | Gonadotropin-releasing hormone that stimulates the release of FSH |
| FSH | Follicle stimulating hormone, produced in anterior pituitary, that causes follicular growth |
| LH | Luteinizing hormone, produced in anterior pituitary, causing ovulation |
| Estrogen | Hormone produced in the follicle causing signs of estrus and causes uterine, cervical, and vaginal changes at estrus |
| Progesterone | Hormone produced by the corpus luteum that maintains pregnancy |
| Inhibin | Hormone produced by the follicle that inhibits the release of FSH, thus causing further follicle growth |
| Prostaglandin | Causes lyses of the corpus luteum leading to a decrease in progesterone |
| Ovarian Follicle | Structures on ovary that contains the oocyte(egg) |
| Oocyte | Female gamete (egg) |
| Ovulation | Release of oocyte into oviduct, or uterine tube, where pregnancy begins |
| Puberty | The first time of ovulation |
| Fertilization | Joining of sperm and egg |
| Corpus luteum (CL) | Structure on ovary that produces progesterone, aka "yellow body" |