postcardinal — adj. * * * … Universalium
postcardinal — post·cardinal … English syllables
postcardinal — (ˈ) ̷ ̷+ adjective Etymology: post + cardinal : lying behind or caudal to the heart; especially : of, relating to, or being a vein on either side in mammalian and other embryos and in some fishes that drains the mesonephros and the portion of the … Useful english dictionary
postcardinal veins — paired vessels in the embryo caudal to the heart; called also posterior cardinal v s … Medical dictionary
cardinal veins posterior — postcardinal v s … Medical dictionary
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
cardinal veins — two pairs of veins in the embryo that carry blood from the head (anterior cardinal veins) and trunk (posterior cardinal veins); they unite to form the common cardinal vein, which drains into the sinus venosus of the heart. * * * embryonic vessels … Medical dictionary
subcardinal veins — paired vessels in the embryo, replacing the postcardinal veins and persisting to some degree as definitive vessels … Medical dictionary