الإنجليزية - الإنجليزية
تعريف prothallus في الإنجليزية الإنجليزية القاموس.
- A prothallium, or prothallus; from Latin pro = forwards and Greek θαλλος (thallos) = twig; is usually a pteridophyte, i.e. spore-bearing plant, (almost exclusively ferns) in gametophyte stage in the alternation of generations cycle. Occasionally the term is also used to describe the young gametophyte of a liverwort or peat moss as well
- The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the oöphoric generation of ferns, etc
prothallus
الواصلة
pro·thal·lusالتركية النطق
prōthälısالنطق
/ˌprōˈᴛʜaləs/ /ˌproʊˈθæləs/
Resimler
المفضلات