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English

epinephrine

|ep-i-neph-rine|

C1

/ˌɛpɪˈnɛfrɪn/

hormone for stress response

Etymology
Etymology Information

'epinephrine' originates from Greek, specifically the word 'epi' meaning 'upon' and 'nephros' meaning 'kidney', referring to its production in the adrenal glands located above the kidneys.

Historical Evolution

'epinephrine' was coined in the early 20th century from the Greek words 'epi' and 'nephros', and eventually became the modern English word 'epinephrine'.

Meaning Changes

Initially, it referred to the hormone produced by the adrenal glands, and this meaning has largely remained the same in modern usage.

Meanings by Part of Speech

Noun 1

a hormone and neurotransmitter, also known as adrenaline, that is produced by the adrenal glands and some neurons. It plays a role in the 'fight or flight' response by increasing heart rate, muscle strength, blood pressure, and sugar metabolism.

Epinephrine is often used in medical emergencies to treat severe allergic reactions.

Synonyms

Last updated: 2025/01/11 11:45