Third ventricle
third ventricle n.
A narrow, vertically oriented cavity in the midplane below the corpus callosum that communicates with each of the lateral ventricles through the interventricular foramen.
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- Third ventriculostomy
third ventriculostomy n. A ventriculostomy from the third ventricle to the prechiasmal and interpeduncular cisterns. Also called Stookey-Scarff operation. A ventriculostomy from the third ventricle to the interpeduncular cistern. Also called Dandy operation.
- Third wave
noun a force of change fueled by knowledge and disseminated by information technology Word Origin allusion to Plato’s ‘greatest of the three waves’ and Alvin Toffler’s “The Third Wave”
- Third way
noun 1. a political ideology that seeks to combine egalitarian and individualist policies, and elements of socialism and capitalism (as modifier): Third Way government noun a proposed solution that is supposedly more creative than two more obvious ideas or solutions, esp. in politics Word Origin from Thomas Aquinas’ Third Way
- Third wheel
noun a third person joining a couple in a social context, esp. one who is in the way Examples Veronica Mars felt like a third wheel. Usage Note informal third lieutenant
- Third-world
noun, (sometimes lowercase) 1. the underdeveloped nations of the world, especially those with widespread poverty. 2. the group of developing nations, especially of Asia and Africa, that do not align themselves with the policies of either the U.S. or the former Soviet Union. 3. the minority groups within a nation or predominant culture. noun 1. […]