Mare Reproductive System Flashcards
1
Q
Estrous cycle
A
the recurrign reproductive cycle in female mammals
- includes estrus, ovulation, and changes in the uterine lining
- 18-21 days
2
Q
Estrus
A
- follicular
- period when mare is sexually receptive to stallion
- heat stage
3
Q
Diestrus
A
- luteal
- period when mare is not sexually receptive
4
Q
Anestrus
A
complete absence of estrus, prevents mare from conceiving in the winter months
5
Q
Seasonally polyestrus
A
mare goes through regular estrus cycles during part of the year
6
Q
Vulva
A
external opening of the reproductive canal
7
Q
Vagina
A
- 6-8 inch long muscular membrane connecting the vulva to the cervix
- tissues are elastic to accommodate the penis during breeding and foaling during birth
8
Q
Cervix
A
- 4 inches
- elastic muscle
- located behind the vagina
9
Q
Uterus
A
- 2 branched “horns”
- protects and nourishes the embryo/fetus
10
Q
Oviducts
A
- attached to the uterine horn
- contains follicles that hold the mares egg cells
11
Q
Ovaries
A
- 2-3 inch
- bean shaped organs
- contains follicles that hols the mares egg cells
