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Opioid vs Metenkephalin - What's the difference?

opioid | metenkephalin |

As nouns the difference between opioid and metenkephalin

is that opioid is a substance that is like opium while metenkephalin is (biochemistry) an endogenous opioid peptide neurotransmitter found naturally in many parts of the animal and human body; one of the two forms of enkephalin (the other being leuenkephalin).

opioid

English

(wikipedia opioid)

Noun

(en noun)
  • A substance that is like opium.
  • (physiology) Any of the natural substances, such as an endorphin, released in the body in response to pain.
  • (pharmacology) Any of a group of synthetic compounds that exhibit similarities to the opium alkaloids that occur in nature.

    • Hyponyms

    * opiate

    metenkephalin

    English

    (Met-enkephalin)

    Alternative forms

    * met-enkephalin

    Noun

    (-)
  • (biochemistry) An endogenous opioid peptide neurotransmitter found naturally in many parts of the animal and human body; one of the two forms of enkephalin (the other being leuenkephalin)
  • *{{quote-journal, 2007, date=December 11, Craig Howard Kinsley, Massimo Bardi, Kate Karelina, Brandi Rima, Lillian Christon, Julia Friedenberg and Garrett Griffin, Motherhood Induces and Maintains Behavioral and Neural Plasticity across the Lifespan in the Rat, Archives of Sexual Behavior, url=, doi=10.1007/s10508-007-9277-x, volume=37, issue=1, pages=
    • , passage=PRO, an endogenous opioid itself, is also the precursor of the opiate neuropeptides metenkephalin and leuenkephalin. }}

    Synonyms

    * OGF, opioid growth factor