You searched for yolk_sac - Biology Articles, Tutorials & Dictionary Online

Chorion Definition The chorion is a membrane that develops around the developing fertilized egg. It begins to develop... Read More

Definition noun, plural: fetal membranes A membrane surrounding the embryo or fetus and is involved in nutrition,... Read More

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Definition noun, plural: amnions The innermost membrane of the extraembryonic or the fetal membranes of amniotes surrounding... Read More

Definition noun, plural: placentae or placentas (1) (zoology) The vascular organ formed during gestation of female mammals... Read More

Definition noun, plural: hematopoieses A biological process in which new blood cells are formed, and is usually taking place... Read More

Definition noun, plural: metatherian mammals Any from the group of mammals possessing choriovitelline type of placenta (as... Read More

Definition adjective Of, pertaining to, relating to, near to, or describing the viscera or entrails;... Read More

Human embryology is a fascinating subject and has succeeded in captivating the attention of human beings for ages.... Read More

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Definition noun, plural: oogonia (zoology) The diploid female gametogonium that gives rise to primary oocyte through... Read More

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