oxytocin Flashcards
what stimulates oxytocin release?
-4
cervix & vaginal dilation as babies head lowers in parturition
suckling infant
ejaculation
sexual stimulation
where is oxytocin made?
and by what nuclei?
hypothalamus
paraventricular nuclei
where is receptor site for oxytocin in the uterus?
myometrium
where is receptor cells for oxytocin in the breast?
Myoepithelial cells
from which organ is oxytocin released into the blood stream?
posterior pituitary gland
where is oxytocin made?
where is oxytocin released?
how does oxytocin travel from where it is made to the release site?
hypothalamus
posterior pituitary gland
neuron
effect of oxytocin at the uterus?
contractions
effect of oxytocin at the breast?
breast ducts contract
which hormone inhibits oxytocin?
progesterone
main stimulus for progesterone?
pregnancy
main release site for progesterone?
-2
Ovaries
Corpus luteum
effect of progesterone in gestation?
-6
develops mammary alveoli thickens cervical mucus supresses maternal immune system stops myometrium contracting stops lactation keeps skin elastic, firm, strong
how does progesterone get mum ready for breastfeeding?
develops mammary alveoli
effect of progesterone on skin?
keeps skin elastic, firm, strong
