surface-tension theory of narcosis n.
The theory that substances that lower the surface tension of water pass more readily into a cell and cause narcosis by decreasing metabolism.
noun 1. a person who believes in or advocates the supremacy of a particular group, especially a racial group: a white supremacist. noun 1. a person who promotes or advocates the supremacy of any particular group adjective 2. characterized by belief in the supremacy of any particular group noun See supremist
- Supravital stain
supravital stain n. A procedure in which living tissue is removed from the body and cells are placed in a nontoxic dye solution so that their vital processes may be studied.
adjective, Histology. 1. pertaining to or involving a staining method for a preparation of living cells. supravital su·pra·vi·tal (sōō’prə-vīt’l) adj. Relating to or capable of staining living cells after their removal from a living or recently dead organism.
supraversion su·pra·ver·sion (sōō’prə-vûr’zhən) n. The act or an instance of turning upward. The condition in which a tooth is out of the line of occlusion in an occlusal direction, resulting in a deep overbite. The act or process of moving the eyes upwards. Also called sursumversion.