Typical costs: The cost of remodeling a kitchen depends on the current layout, size and condition of the room, as well as the quality of replacement products chosen.
n. 1  1. A short polypeptide hormone, C43H66N12O12S2, released from the posterior lobe of the pituitary gland, that stimulates the contraction of smooth muscle of the uterus during labor and facilitates ejection of milk from the breast during nursing.
1 Oxytocin, most of which is released from the paraventricular nucleus in the hypothalamus. 2  Oxytocin is one of the few hormones to create a positive feedback loop. 3  For example, uterine contractions stimulate the release of oxytocin from the posterior pituitary, which, in turn, increases uterine contractions.