PEPSIN

pepsin

(noun) an enzyme produced in the stomach that splits proteins into peptones

Source: WordNet® 3.1


Etymology

Noun

pepsin (countable and uncountable, plural pepsins)

(enzyme) A digestive enzyme that chemically digests, or breaks down, proteins into shorter chains of amino acids.

Source: Wiktionary


Pep"sin, n. Etym: [Gr. pepsine. Cf. Dyspepsia.] (Physiol. Chem.)

Definition: An unorganized proteolytic ferment or enzyme contained in the secretory glands of the stomach. In the gastric juice it is united with dilute hydrochloric acid (0.2 per cent, approximately) and the two together constitute the active portion of the digestive fluid. It is the active agent in the gastric juice of all animals.

Note: As prepared from the glandular layer of pigs' or calves' stomachs it constitutes an important article of pharmacy.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

23 November 2024

THEORETICAL

(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”


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