different between bradykinin vs histamine

English

Etymology

From Ancient Greek ?????? (bradús, “slow, brady-”) +? Ancient Greek ??????? (kín?sis, “motion”) +? -in.

Pronunciation

• (Received Pronunciation) IPA^(key): /?b?æd.??k??.n?n/
• (General American) IPA^(key): /?b?e?.d??ka?.n?n/

Noun

bradykinin (countable and uncountable, plural bradykinins)

1. (biochemistry) A compound released in the blood in some circumstances which causes contraction of smooth muscle and dilation of blood vessels. It is a peptide with nine amino-acid residues.

References

• “bradykinin”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “bradykinin”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

English

Alternative forms

• histamin (dated)

Etymology

hist(idine) +? -amine

Pronunciation

• IPA^(key): /?h?st?mi?n/

Noun

histamine (plural histamines)

1. (biochemistry) An amine, C₅H₉N₃, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions.

Derived terms

• antihistamine
• histaminase
• histaminergic
• histaminic

Translations

Further reading

• histamine on Wikipedia.Wikipedia