pepsin

(redirected from pepsin barrier)
Also found in: Thesaurus, Medical, Encyclopedia.

pep·sin

also pep·sine  (pĕp′sĭn)
n.
1. A digestive enzyme found in gastric juice that catalyzes the breakdown of protein to peptides.
2. A substance containing pepsin, obtained from the stomachs of hogs and calves and used as a digestive aid.

[Greek pepsis, digestion (from peptein, to digest; see pekw- in Indo-European roots) + -in.]

pepsin

(ˈpɛpsɪn) or

pepsine

n
(Biochemistry) a proteolytic enzyme produced in the stomach in the inactive form pepsinogen, which, when activated by acid, splits proteins into peptones
[C19: via German from Greek pepsis, from peptein to digest]

pep•sin

(ˈpɛp sɪn)

n.
1. an enzyme, produced in the stomach, that in the presence of hydrochloric acid splits proteins into proteoses and peptones.
2. a commercial preparation containing pepsin, obtained from hog stomachs, used chiefly as a digestive and as a ferment in making cheese.
[1835–45; < Greek péps(is) digestion (pep-, base of péptein to digest + -sis -sis) + -in1]

pep·sin

(pĕp′sĭn)
A powerful enzyme that breaks down proteins in the stomach of vertebrate animals.

pepsin

A protein-digesting enzyme in the stomach.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pepsin - an enzyme produced in the stomach that splits proteins into peptones
gastric acid, gastric juice - digestive secretions of the stomach glands consisting chiefly of hydrochloric acid and mucin and the enzymes pepsin and rennin and lipase
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
Translations

pepsin

[ˈpepsɪn] Npepsina f

pepsin

nPepsin nt

pepsin

[ˈpɛpsɪn] npepsina

pep·sin

n. pepsina, enzima principal del jugo gástrico.

pepsin

n pepsina