THC -->
medical dictionary


The delta(1)-3,4-trans-isomer (also referred to as the delta(9)-isomer) is the major pharmacologically active constituent of cannabis sativa l. (marihuana, hashish). Dronabinol, a synthetic form of tetrahydrocannabinol, is used to treat the wasting condition associated with aids and also cancer patients undergoing chemotherapy.

Pharmacological action: antiemetics, appetite stimulants, hallucinogens.

Chemical name: 6H-Dibenzo(b,d)pyran-1-ol, 6a,7,8,10a-tetrahydro-6,6,9-trimethyl-3-pentyl-, (6aR-trans)-

Abbreviation: THC

(12 Dec 1998)