different between epinephrine vs ephedrine

English

Etymology

From Ancient Greek ??? (epí, “upon”) + ?????? (nephrós, “kidney”) + English -ine.

Pronunciation

• IPA^(key): /?p??n?f??n/

Noun

epinephrine (countable and uncountable, plural epinephrines)

1. (biochemistry, organic chemistry) A catecholamine hormone and neurotransmitter; as a hormone, secreted by the adrenal gland in response to stress (when it stimulates the autonomic nervous system); as a neurotransmitter, synthesized from norepinephrine.

   Synonym: adrenaline

Synonyms

• (hormone and neurotransmitter): 4,5-?-trihydroxy-N-methylphenethylamine

Hypernyms

• (hormone): catecholamine
• (neurotransmitter): monoamine, phenethylamine

Derived terms

Translations

Further reading

• adrenaline on Wikipedia.Wikipedia

English

Etymology

From ephedra +? -ine.

Pronunciation

• (Received Pronunciation) IPA^(key): /??f.?.d?i?n/
• (General American) IPA^(key): /??f?.d??n/, /??f.?.d??n/

Noun

ephedrine (countable and uncountable, plural ephedrines)

1. (biochemistry, pharmacology) A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.

Derived terms

Translations

References

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