• word of the day

    vitelline sac

    vitelline sac - Dictionary definition and meaning for word vitelline sac

    Definition
    (noun) membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional

Word used in video below:
text: a small sac of fluid located in the center of the human brain.
Download our Mobile App Today
Receive our word of the day
on Whatsapp