Learn what yolk sac is in pregnancy. Discover the function of the gestational yolk sac, the yolk sac definition, and learn what the yolk sac becomes.
A light microscope study of the choriovitelline (yolk sac) placenta of the dasyurid marsupial, Sminthopsis crassicaudata, and some comparative observations... CT Roberts,WG Breed 被引量: 0发表: 2019年 Notes on, and descriptions of, some larvae of Oecophoridae, Gelechiidae and Pyralidae (Lepid...
So, now you've learned a few more tidbits on the human yolk sac. First, you know that humans have them, and you know that they are used by the embryo during the earliest stages of development. The human yolk sac is responsible for delivering nutrients to the embryo through a process ca...