Naturally occurring in opium:
A high number of opiates are considered to be highly addictive. One exception is loperamide[?], which cannot cross the blood-brain barrier.
See also nootropics
Opiate is an EP by Tool, an American rock band formed in 1989. See Opiate (album)
Opiate is also the name of a rock-metal band based in the United Kingdom and signed to Visible Noise[?] records, home of lost prophets[?]. See Opiate (band)[?].
... the 'sub' names of the classification labels. Please, someone, add these. David 16:12 Nov 26, 2002 (UTC)
I've added ranks for the lower two groups. The other taxa ...
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