zymogen
Biology

zymogen


Term: zymogen

Literally meaning: ?producing ferment?

Origin: Anc Greek
????/zyme(= leaven, ferment)
+?????/geno (=to birth, produce)

Coined/History
In 1875, by German physiologist Rudolf Peter Heinrich Heidenhain (1834-1897) who wrote:
?a pancreas taken afresh from the body.. contains but little ready-made ferment, though there is present in it a body which, by some kind of decomposition, gives birth to the ferment...?

Definition
A zymogen (or proenzyme) is an inactivate form of an enzyme (enzyme precursor). 




- Angiotensinogen
Term: angiotensinogenLiterally meaning: ?that which creates/produces  angiotensin? Origin: Anc Greek??????/aggio (=vessel, receptacle) >  ?????/aggos(=tube)+?????/teino (=extend) >  ?????/tanyo(=strain, stretch, extend)  >...

- Oxytocyn
Term: oxytocynLiterally meaning: ?protein of quick birth?Origin: Anc Greek'ù????????/okytokine (= quick birth) > 'ù??? /ocys(=acute, quick) +?????/tocos (=birth)Coined/History  The oxytocyn was discovered by British pharmacologist Sir...

- Lysozyme
Term: lysozymeLiterally meaning: an enzyme that breaks downOrigin: Anc Greek?????/lysis(=dissolution, degradation  > verb ???/leo =break down, solve, loose, degradate)+-????/zyme(= leaven) > ??????/enzymo(=enzyme) > ??/en(=in) +-????/zyme(=...

- Apoenzyme
Term: apoenzyme Literally meaning: «remaining enzyme» Origin: Anc Greek ???/apo(= prefix meaning "from, away from, alterate, separate, remainder) ??????/enzymo(=enzyme) > ??/en(=in) + ????/zime(= leaven) Coined/History The term ?enzyme?...

- Enzyme
Term: enzymeOrigin: An Greek ?? / en(=in ) + ????/ zyme (=leaven, ferment) meaning ?in yeast? . Coined: In 1877 by German physiologist Wilhelm Kühne (1837?1900). Kuhne used the term ?enzym? instead of ?diastase? (Beneden, 1876) to describe the "unorganized...



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