外凹

【医】 fovea externa

外的英语翻译：

besides; in addition; not closely related; other; outer; outside; unofficial
【医】 ec-; ecto-; exo-; extra-; xeno-

凹的英语翻译：

concave; dent; fovea; hollow
【医】 concavity; depression; faveoli; faveolus; fossa; fossae; fovea; hollow
koilo-; lenus; pit; sink; venter