Search Results for: yolk
Meroblastic cleavage
Definition noun (embryology) The incomplete cleavage in telolecithal or megalecithal eggs of animals, such as birds and... Read More
Unequal cleavage
Definition noun A holoblastic cleavage producing blastomeres of unequal size. Supplement An example is the holoblastic... Read More
Holoblastic cleavage
Definition noun (embryology) The complete division of an isolecithal or microlecithal egg into... Read More
Fetal membrane
Definition noun, plural: fetal membranes A membrane surrounding the embryo or fetus and is involved in nutrition,... Read More
Embryology
Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More
Discoidal cleavage
Definition noun (embryology)A meroblastic cleavage wherein the cytoplasmic divisions are restricted to the animal pole,... Read More
Phospholipid
What is a phospholipid? Phospholipids are a subgroup of lipids. Other major types of lipids are fatty acids, sphingolipids,... Read More
Hematopoiesis
Definition noun, plural: hematopoieses A biological process in which new blood cells are formed, and is usually taking place... Read More
Superficial cleavage
Definition noun (embryology) A meroblastic cleavage wherein mitosis occurs without cytokinesis, resulting in many nuclei,... Read More
Metatherian mammal
Definition noun, plural: metatherian mammals Any from the group of mammals possessing choriovitelline type of placenta (as... Read More
Centrolecithal egg
Centrolecithal egg An egg in which the yolk is concentrated near the centre of the egg cell, as is the case in many of the... Read More
Metamerism
Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More
Splanchnic
Definition adjective Of, pertaining to, relating to, near to, or describing the viscera or entrails;... Read More
Cholesterol
Definition noun A sterol or a modified steroid that is synthesized by animal cells to become an essential component of... Read More