[gas-troo-ley-shuh n] /ˌgæs trʊˈleɪ ʃən/
the formation of a gastrula.
any process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.
(embryol) the process in which a gastrula is formed from a blastula by the inward migration of cells
gastrulation gas·tru·la·tion (gās’trə-lā’shən)
Transformation of the blastula into the gastrula.
noun 1. an electron tube the envelope of which contains a highly rarefied gas.
noun 1. a turbine utilizing the gaseous products of combustion. noun 1. an internal-combustion engine in which the expanding gases emerging from one or more combustion chambers drive a turbine. A rotary compressor driven by the turbine compresses the air used for combustion, power being taken either as torque from the turbine or thrust from […]
- Gas vacuole
noun 1. (biology) a gas-filled structure that provides buoyancy in some aquatic bacteria
noun 1. a well from which natural gas is obtained. noun 1. a well for obtaining natural gas