Female Reproductive System Flashcards
What are the parts of the female reproductive tract?
- Ovary
- Oviduct
- Uterus
- Cervix
- Vagina
- Vulva
What are the functions of the ovary?
- Gametogenesis (Production of oocytes)
- Steroidogenesis (Production of Estrogen, Progesterone, Relaxin, Testosterone and inhibin)
What are the functions of the oviduct?
- Gamete transport
- Site of fertilization
What are the functions of the uterus?
- Retains and nourishes the embryo and fetus
- PGF2 alpha - Luteolysis of the corpus luteum and expulsion of the fetus
What are the functions of the cervix?
- Prevents microbial contamination of the uterus
- Reservoir for semen and transport of spermatoza
- Site of semen deposition during normal mating
What are the functions of the vagina?
- Organ of copulation
- Site of semen deposition during natural mating
What are the parts of the ovary?
- Cortex
- Medulla
- Superficial epithelium
- Tunica albuginea
What is contained within the medulla?
- Blood vessels
- Nerves
- Connective tissue
What is contained within the cortex?
- Oocyte - follicle
- Corpora hemorrhagica
- Corpora lutea
- Corpora Albicantia
- Sex hormones
What is the tunica albuginea?
connective tissue
What are the types of follicle?
- Primary follicle
- Secondary Follicle
- Growing follicle
- Mature follicle
What are the characteristics of a primary follicle?
- Developing oocyte
- One layer of follicular cells
What are the characteristics of a secondary follicle?
2 layers of follicular cells
What are the characteristics of a growing follicle?
Antrum
What is an antrum?
Fluid filled area inside the developing follicle
What are the characteristics of a Mature follicle?
It is a graafian follicle
What is the structure of a graafian follicle?
- Antrum - Filled with steroids, nonhormonal factors and inhibin
- Theca externa - fibrous collagen and muscle
- Theca interna - capillary network - LH receptors and Androstenedione
- Basement membrane - Separate theca interna from granulosa layer
- Granulosa cells - surround antrum + forms cumulus oophorus and corona radiata
What is the function of the basement membrane in graafian follicles?
Prevents entry of vascular system into granulosa layer
What is ovulation stimulated by?
- LH
What happens during ovulation?
Follicle ruptures expelling follicular fluid, some granulosa cells and the ovum surrounded by cumulus cells
What is the oocyte surrounded by?
Corona radiata (Granulosa cells)
What is the corpus luteum?
Yellowish body formed by the proliferation of a mixture of theca and granulosa cells
What do luteal/ Corpus luteum cells secrete?
Progesterone
What are other forms of a corpus luteum?
- Corpus hemorrhagicum
- Corpus albicans