A person, organization, or establishment associated with another as a subordinate, subsidiary, or member: network affiliates. [Medieval Latin affÄ«liÄre, to adopt : Latin ad-, ad- + Latin fÄ«lius, son; see dhÄ(i)- in the Appendix of Indo-European roots.]
Morphine is isolated from opium in large quantities (over 1000 tons per year), although most commercial opium is converted into codeine by methylation. Morphine acts as an anesthetic without decreasing consciousness, and it is one of the most powerful analgesics known.
Opium - Poppy Cultivation, Morphine and Heroin Manufacture. First of all, it seems like the information about opium cultivation and preparation and other chemistry came from a 1993 Department of Justice publication that was sponsored by DEA. That booklet is, I understand, out-of-print, and will not be reprinted.