proinsulin

noun pro·in·su·lin \ (ˌ)prō-ˈin(t)-s(ə-)lən \

Definition of proinsulin

: a single-chain pancreatic polypeptide precursor of insulin that gives rise to the double chain of insulin by cleavage and loss of the middle part of the molecule

Recent Examples of proinsulin from the Web

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First Known Use of proinsulin

1916

in the meaning defined above

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Medical Dictionary

proinsulin

noun pro·in·su·lin \ (ˈ)prō-ˈin(t)-s(ə-)lən \

medical Definition of proinsulin

: a single-chain pancreatic polypeptide precursor of insulin that gives rise to the double chain of insulin by loss of the middle part of the molecule

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