| Word | Definitions | Synonyms |
|---|---|---|
| epinephrin | (noun) a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action | Synonyms: Adrenalin, adrenaline, epinephrine |
| phycoerythrin | (noun) red pigment in red algae | - |