[pro.to.ne.ma] n, pl -ne.ma.ta [NL protonemat-, protonema, fr. prot- + Gk nema thread--more at neMAT-] (1857): the primary usu. filamentous thalloid stage of the gametophyte in mosses and in some liverworts comparable to the prothallium in ferns -- pro.to.ne.mal adj -- pro.to.ne.ma.tal adj
PROTONEMA
Meaning of PROTONEMA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012