Actin

Actin

A protein found especially in microfilaments (as those comprising myofibrils) and active in muscular contraction, cellular movement, and maintenance of cell shape.

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Part of Speech: noun
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Industry/Domain: Medical
Category: Human genome
Company: National Library of Medicine
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Related terms

actin

Biology; Cell biology

The protein from which microfilaments are composed; forms the contractile filaments of sarcomeres in muscle cells.

actin

Biotechnology; Genetic engineering

One of the two contractile proteins in muscle (the other being myosin). Actin is also found in the microfilaments that form part of the cytoskeleton of all cells.

actinism

Engineering; Electronic engineering

The property whereby radiant energy (such as visible and ultraviolet light, X-rays, etc.) causes chemical reactions.

actin

Medical; Human genome

A protein found especially in microfilaments (as those comprising myofibrils) and active in muscular contraction, cellular movement, and maintenance of cell shape.

actinic

Photography; Professional photography

the ability of light to cause a chemical or physical change in a substance.

actin

Agriculture; General agriculture

Filamentous proteins that are the main constituent of the thin filaments of muscle fibers. The filaments (known also as filamentous or F-actin) can be dissociated into their ...

eugenics

Biology; Human genome

Eugenics is a bio-social movement which advocates the practice that very talented people should spread their genes by having more children, and less talented people should be ...

celiac disease

Medical; Human genome

A digestive disease that is caused by an immune response to a protein called gluten, which is found in wheat, rye, barley, and oats. Celiac disease damages the lining of the ...

atherosclerosis

Medical; Human genome

1) Age, lifestyle, diet, and gene related degeneration of arteries due to deposition of lipoid plaques (atheromas) on inner arterial walls; main cause of coronary artery disease, ...

astigmatism

Medical; Human genome

1) Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less ...

bone marrow transplantation

Medical; Human genome

The transference of bone marrow from one human or animal to another.

cavernous

Medical; Human genome

1) Having caverns or cavities. 2) Of tissue: composed largely of vascular sinuses and capable of dilating with blood to bring about the erection of a body part.