16 results found

Search Results for: segmentation

Definition noun, plural: segmentation (1) (embryology) Cleavage, i.e. the repeated division of a fertilized ovum forming... Read More

Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More

The gastrointestinal (GI) system includes the gastrointestinal tract (mouth, pharynx, esophagus, stomach, small intestine,... Read More

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

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Definition noun A segmentation gene whose expression subdivides the embryo into a series of stripes, and sets the boundaries... Read More

Tick Definition A tick is an arachnid belonging to order Ixodida. There are three families identified: (1) Ixodidae (hard... Read More

Cell Adhesion Definition Cell adhesion is the process in which a cell uses a specialized complex of proteins to get... Read More

Definition adjective Of, pertaining to, exhibiting, or characteristic of metamerism Supplement The term metameric is used to... Read More

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Definition noun, plural: zygotic-effect genes (1) Any of the genes expressed in the early embryo. (2) Any of the genes... Read More

Definition noun (1) One of the pair-rule genes (together with hairy and runt) directly activated by gap gene products... Read More

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

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More