The terminal portion of the small intestine.

The process by which the body defends itself in response to an antigen (ie. the production of antibodies).

See antibody.

At the site of (origin).

In a test tube or in culture.

In a living organism.

See codominance.

Unlinked genes within a primary germ cell separate randomly during gametogenesis (refers to Mendel\'s second law).

The process or act of inducing, or causing to occur, especially the production of a specific morphogenetic effect in the embryo through evocators or organizers, or the production of anesthesia or unconsciousness or parturition by use of appropriate agents.

A protein hormone formed from proinsulin in the beta cells of the pancreatic islets of Langerhans. The major fuel-regulating hormone, it is secreted into the blood in response to a rise in concentration of blood glucose or amino acids. Insulin promotes the storage of glucose and the uptake of amino acids, increases protein and lipid synthesis, and inhibits lipolysis and gluconeogenesis.

A neuron between the primary sensory neuron and the final motoneuron.

The interval between two successive cell divisions, during which the chromosomes are not individually distinguishable.