Uttal
- Okänd accent:
- IPA: /ˌmɛləˈtoʊnɪn/
- IPA: /ˌmɛl.ə.ˈtəʊ.nɪn/
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Definitioner
Substantiv
- A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals
- Any material similar in its chemistry and effect to the natural hormone.
Böjningsformer