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By 1821, 'joint' had become an Anglo-Irish term for an annexe, or a side-room 'joined' to a main room. By 1877, this had developed into U.S. slang for a 'place, building, establishment,' and especially to an opium den. Its first usage in the sense of 'marijuana cigarette' is dated to 1938. [13] Many slang terms are synonymous with the word joint.
THC, the main psychoactive component of cannabis, may only be detectable in saliva and oral fluid for 2–24 hours in most cases. [8] [9] The main metabolite excreted in the urine is 11-Nor-9-carboxy-THC, also known as THC-COOH. Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10]
Several varieties of cannabis, known as hemp, have a very low cannabinoid content, and are instead grown for their fiber and seed. Due to the legal status of the plant in many jurisdictions, Cannabis plant varieties are at high risk of biopiracy. [3] [4]
Over 1 in 10 high school seniors use delta-8 THC, a legal marijuana alternative known as "weed lite" ... defined as a cannabis plant that contains less than 0.3% delta-9 THC. (Hemp and marijuana ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known by several slang terms, such as marijuana, pot or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent .
Close up of a Cannabis plant. Cannabis (/ˈkænəbɪs/) is commonly known as marijuana or hemp and has two known strains: Cannabis sativa and Cannabis indica, both of which produce chemicals to deter herbivory. The chemical composition includes specialized terpenes and cannabinoids, mainly tetrahydrocannabinol (THC), and cannabidiol (CBD ...
It is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant. Although the chemical formula for THC (C 21 H 30 O 2 ) describes multiple isomers , [ 10 ] the term THC usually refers to the delta-9-THC isomer with chemical name (−)- trans -Δ 9 -tetrahydrocannabinol .
Latin, or scientific name for the plant species Cannabis sativa, known for tall, sparsely branched stalks with long, narrow leaves. [See cannabis.] cannabis slang Cannabis has more than 1,200 slang names, including weed, a commonly used cannabis slang name. Additionally, there are many slang terms for consumption of cannabis, and describing the ...