Reproductive Physiology 2 Flashcards
What are the embryonic layers?
Ectoderm, mesoderm, endoderm
When does he ectedenn make up?
Nervous system and skin
What does the mesoderm make up?
Heart, blood, bone etc
What does the endoderm make up?
Gl, respiratory and urinary tracks
What are the phases of development?
Pre-embryonic, embryo and fetal phase
What is the maternal contribution to the placenta?
Decidua
What is the fetal contribution to the placenta?
Chorion (mesoderm and trophoblast) and amnion
What are the maternal blood vessels of the placenta?
Malemal artery, endometrial arteriole, intervillious space, endometrial venue and maternal vein
What are the fetal blood vessels in the placenta?
Umbilical vein, chorionic villi and umbilical artery
What are the maternal adaptations?
Cellular immunity decreases
increase blood volume and cardiac output
Increase tidal volume to keep CO2 low
Hypertrophy of myometrium
What happens to hcg in fetal development?
Present at the start, heaps corpus luteum alive until placenta makes steroids
What heippens to progesterone and estrogen during development?
Increase until birth, quick rise of estrogen at birth
