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In biology, intrinsic effects originate from inside an organism or cell, such as an autoimmune disease or intrinsic immunity. In electronics and optics, intrinsic properties of devices (or systems of devices) are generally those that are free from the influence of various types of non-essential defects. [3]
Intrinsics or intrinsic may refer to: Intrinsic and extrinsic properties, in science and engineering; Intrinsic motivation in psychology; Intrinsic muscle, in anatomy; Intrinsic function, a function in a programming language that is dealt with specially by a compiler; X Toolkit Intrinsics, a library; Intrinsic factor (biology)
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Extrinsic noise is characterised by expression levels of both genes covarying between cells, intrinsic by internal differences. Cellular noise is often investigated in the framework of intrinsic and extrinsic noise. Intrinsic noise refers to variation in identically regulated quantities within a single cell: for example, the intra-cell ...
The terms "intrinsic incubation period" and "extrinsic incubation period" are used in vector-borne diseases. The intrinsic incubation period is the time taken by an organism to complete its development in the definitive host. The extrinsic incubation period is the time taken by an organism to develop in the intermediate host. [citation needed]
In coagulation, the coagulation factor X can be activated into factor Xa in two ways: either extrinsically or intrinsically. The activating complexes are together called tenase. Tenase is a blend word of "ten" and the suffix "-ase", which means, that the complex activates its substrate (inactive factor X) by cleaving it. [1]
Intrinsic activity (IA) and efficacy (E max) refer to the relative ability of a drug-receptor complex to produce a maximum functional response. This must be distinguished from the affinity, which is a measure of the ability of the drug to bind to its molecular target, and the EC 50, which is a measure of the potency of the drug and which is proportional to both efficacy and affinity.
Apoptosis can be initiated through one of two pathways. In the intrinsic pathway the cell kills itself because it senses cell stress, while in the extrinsic pathway the cell kills itself because of signals from other cells. Weak external signals may also activate the intrinsic pathway of apoptosis. [6]