19 results found

Search Results for: blastula

Blastulation

Definition noun The formation of blastula following the morula stage during the embryonic development of an... Read More

Blastula

Definition noun An early form of an embryo undergoing developmental processes, such as cleavage. It is marked by the... Read More

Discoblastula

Discoblastula a blastula of the type produced by the meroblastic discoidal cleavage of a large-yolked... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Segmentation cavity

Definition noun The fluid-filled cavity inside the early forms of embryo, e.g. of blastula. Supplement The presence of this... Read More

Blastocoel

Definition noun The primordial, fluid-filled cavity inside the early forms of embryo, e.g. of blastula. Supplement The... Read More

Triploblasty

Definition noun (1) A condition of a blastula in which there are three primary germ layers: ectoderm, mesoderm and... Read More

Fate map

Fate map (Science: embryology) diagram of an early embryo (usually a blastula) showing which tissues the cells in each... Read More

Monoblastic

Definition adjective (1) Pertaining to a condition (especially of a blastula or ovum) in which there is only one primary... Read More

Life

Life Definition noun, plural: lives (1) A distinctive characteristic of a living organism from dead organism or non-living... Read More

Living things

Living Things Definition A living things pertains to any organism or a life form that possesses or shows the... Read More

Chimera

Chimera (Science: cell biology) organism composed of two genetically distinct types of cells. Can be formed by the fusion of... Read More

Diploblastic

Definition adjective Pertaining to a condition in which there are two primary germ layers, such as ectoderm and... Read More

Triploblastic

Triploblastic Definition A triploblastic animal had three main layers of tissue during embryonic development. The central... Read More

Gastrulation

Definition noun (embryology) The process in which the embryo develops into a gastrula following blastulation during the... Read More

Human

Definition noun plural: humans hu‧man, (h)yo͞omʹn A bipedal primate belonging to the genus Homo, especially Homo... Read More

Cleavage

Definition noun (1) A division or separation of form. (2) (cell biology) The act or state of splitting or dividing of a... Read More

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

A New Theory on the Origin of Animal Multicellularity

Multicellular life, purportedly, started around 600 million years ago. From single-celled, certain organisms eventually... Read More