1. Female Reproductive System
Mammals
Female Reproductive System

2. Ovaries Mammals usually have 2
Produce eggs (ova) in follicles (cavities)
Produce 2 sex hormones
-Estrogen (from follicle)
-Progesterone (from CL)
Produce corpora lutea (CL)

3. Infundibulum Funnel-shaped end of oviduct Close to ovary
Purpose is to catch ova
Ciliated cells

4. Fimbria Lining of the infundibulum
Delicate tissue to guide ova to oviduct

5. Oviducts/Fallopian Tubes
Mammals have two
Carry eggs from ovary to uterus (transport)
Not attached to the ovaries
Site of fertilization in mammals

6. Uterus Place where the fetus grows (nourishes fetus)
Uterine Horns
Body of Uterus
Place for fetal development later in the pregnancy
Place for embryo to develop into fetus
Shapes
COW SOW
MARE HUMAN

7. Cervix Separates uterus from vagina Acts as a valve between the two
Prevents contamination of the uterus
“Neck of the uterus”
4 inches in length in a cow
2 inches outside diameter
Stores sperm after mating (cervical plug during pregnancy)
Firm and inelastic muscular rings

8. Cervix Cont’d
Horse and Human Cow Pig

9. VAGINA Birth Canal (passage between cervix and vulva)
Semen is deposited here during copulation
Very elastic-expands during birth
12 inches long in cow and mare
6 inches long is sow, doe, and ewe

10. Urine passes through urethra to vagina
BLADDER
Collects liquid waste
Urine passes through urethra to vagina

11. Vulva External opening of reproduction and urinary systems
Labia: Skin around the vulva
ianrpubs.unl.edu/ beef/g537.htm