W32/L2 Flashcards
Which cells produce hCG?
Trophoblasts
Which umbilical blood vessel carries oxygenated blood to the fetus?
The umbilical vein
Which umbilical blood vessel return embryonic blood to the placenta?
The umbilical arteries
What are the chorionic vili
Finger-like projections of the placental cells that contain the embryonic vessels
What structure do the chroionic vili project into?
The maternal blood pools
Define oligohydramnios
Low amniotic fluid volume
What does hCG do to the corpus luteum?
Sustains it during pregnancy
Twins in utero share the same amniotic sac. Are they mono- or dizygotic?
They have to be monozygotic
Twins in utero don’t share the same amniotic sac. Are they mono- or dizygotic?
They could be either, if the monozygotic split happened early enough.
What happens to the mammary glands at puberty?
Growth of ducts
Fat deposition
What stimulates the changes to mammary glands in puberty
Oestrogen
What hormone stimulates the conversion mammary ducts to secretory epithelium in late pregnancy?
Progesterone
