Canna~Fangled Abstracts Tetrahydrocannabinolic acid synthase, the enzyme controlling marijuana psychoactivity, is secreted into the storage cavity of the glandular trichomes. Sirikantaramas S, Taura F, Tanaka Y, Ishikawa Y, Morimoto S, Shoyama Y. Source Graduate School of Pharmaceutical Sciences, Kyushu University,…Freedom WaresJuly 22, 2013