ectodermalWiktionary 原文构词拆分ecto-前缀Outside. · (chiefly in fantasy fiction) Ghost-related.+dermal词根/词干词源说明From ecto- + dermal.释义（英文）形容词 Adjective(biology) Of or pertaining to the ectoderm.词族派生词（8）chondroectodermalcranioectodermalectodermallymesoectodermalneuroectodermalnonectodermalsubectodermalsubectodermal apical ectodermal ridge