Oxytocin is a neurohormone which binds to a G-protein coupled receptor and causes uterine muscle contraction through activation of phospholipase C and an influx of Ca2 + into the cytoplasm.
Oxytósín er taugahormón sem binst G-prótein tengdum viðtaka og veldur legvöðvasamdrætti í gegnum virkjun fosfólípasa C og innstreymis Ca2 + í umfrymi.