Explores the latest research on marijuana, including the scope of marijuana use in the U.S., health consequences, its effects on every-day activities, available treatments.
Definition of homunculus. plural. homunculi. play \hÅ-ËmÉÅ-kyÉ-ËlÄ«, -ËlÄ\. 1 : a little man : manikin. 2 : a miniature adult that in the theory of preformation is held to inhabit the germ cell and to produce a mature individual merely by an increase in size.
nematocyst (nÄm'É-tÉ-sÄ­st', nÄ­-mÄt'É-sÄ­st') One of the minute capsules in the tentacles of cnidarians, such as jellyfish, hydras, or sea anemones, used for stinging. The capsule is produced by a special cell (called a cnidoblast) and contains a tightly coiled barbed thread that quickly shoots forth if the capsule's lid is disturbed. The thread often contains poison.