Vitelline

Vitelline may refer to:

Embryology

 * Vitelline arteries, arteries that bring blood to the yolk sac
 * Vitelline circulation, the system of blood flowing between an embryo and its yolk sac
 * Vitelline cyst, a developmental defect relating to the closure of the vitelline duct
 * Vitelline duct, a tube that joins the yolk sac to the midgut lumen of a human embryo
 * Vitelline membrane, membrane surrounding an ovum
 * Vitelline veins, veins that drain blood from the yolk sac

Birds

 * Vitelline masked weaver (Ploceus vitellinus), a species of bird endemic to Africa
 * Vitelline warbler (Setophaga vitellina), a songbird species found in the Cayman Islands and Honduras