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arenavirus

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

A genus of RNA viruses (family Arenaviridae), most of which are maintained in a particular rodent species (Rodentia). Fifteen species infect non-humans and five cause a range of diseases in...

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autocatalysis

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

The process whereby symbiotic bacteria in an animal's gut degrade food particles (especially the fermentation of cellulose and hemicellulose in plant cell walls) and so assist in its...

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chlorocruorin

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

A green respiratory pigment, of molecular weight 3.5×106, that contains iron in its prosthetic group. It occurs only in the blood plasma of certain Polychaeta.

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hereditary disease

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

A disease that is caused by a mutant gene and that may be transmitted from one generation to the next.

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heterospecific

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

Pertaining to individuals of different species. Compare conspecific.

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Kinetoplastida

Overview page. Subjects: Zoology and Animal Sciences — Chemistry.

(superclass Mastigophora, class Zoomastigophorea)

An order of Protozoa characterized by the possession of a kinetoplast (a region rich in DNA) within the mitochondrion of the cell....

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paramyosin

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

A form of tropomyosin that is found in the adductor and retractor muscles of Bivalvia. It is a water-insoluble protein and forms filaments 100 nm thick.

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pineal body

Overview page. Subjects: Zoology and Animal Sciences — Chemistry.

In vertebrates other than humans, an outgrowth of the fore brain that secretes hormones affecting reproductive behaviour. In mammals that have a regular oestrus cycle its secretion of...

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retinol

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

A diterpene compound, composed of four isoprene units structurally related to carotenes, which is involved in the synthesis of the visual pigments. A deficiency of this compound results in...

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tocopherol

Overview page. Subjects: Chemistry — Zoology and Animal Sciences.

Vitamin E (see vitamin); one of a group of fat-soluble terpene compounds that function as anti-oxidants in cells. They are required for the normal growth and fertility of animals.

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