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.
1 Opiates include morphine and drugs structurally similar to morphine (eg, codeine, hydrocodone, hydromorphone, oxycodone).  Heroin (diacetylmorphine) is a synthetic opiate made from morphine and is rarely detectable in body fluids. It has a half-life of a few minutes.