Submitted by admin on Sun, 05/04/2014 - 17:04
definition:
A hormone released by the pituitary gland that causes increased contraction of the womb during labour and stimulates the ejection of milk into the ducts of the breasts.
sentence:
The plan was to use a gradually increasing concentration of oxytocin in order to stimulate uterine contractions.
difficulty:
hard
toefl frequency:
1