Opium
| Definition: |
The air-dried exudate from the unripe seed capsule of the opium poppy, Papaver somniferum, or its variant, P. album. It contains a number of alkaloids, but only a few - MORPHINE; CODEINE; and PAPAVERINE - have clinical significance. Opium has been used as an analgesic, antitussive, antidiarrheal, and antispasmodic. |
| Notes: |
a narcotic analgesic from the poppy, Papaver; opium addiction: coord IM with OPIOID-RELATED DISORDERS (IM) |
| Also Called: |
Omnopon,Pantopon,Papaveretum |
| CAS Type 1 Name: |
CAS Number: |
8008-60-4 |
Opium Categories.
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Morphinans |
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Noscapine - A naturally occurring opium alkaloid that is a centrally acting antitussive agent. |
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Papaverine - An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels. |
Opium Definitions and Terms
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