- mastoidal - of or relating to or in the region of the mastoid process
- mastoid, mastoidal - relating to or resembling a nipple
- mastoid, mastoidal - relating to or resembling a nipple
- mastoid, mastoid process, mastoid bone, mastoidal - process of the temporal bone behind the ear at the base of the skull
--1 is a kind of process, outgrowth, appendage
--1 is a part of temporal bone, os temporale
--1 has parts: mastoidale