rumenjakov mehurček
1. rumenjakov mehurček
membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional [hkrati endokrin in eksokrin organ, v katerem vsebovane celice izločajo hormonček holekalciferol ter prebavne encime, ki se izločijo v dvanajsternik]
2. rumenjakov mehurček
membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo [Membranska struktura, ki obdaja rumenjake v jajcih ptic, plazilcev, torbarjev in nekaterih ribah; prenaša hranila v razvoju zarodka.]