splanchnoskeleton /ˈsplæŋknəʊˌskɛlɪtən/ noun1 •That part of the skeleton connected with the sense organs and the viscera.the small petrosal , and the columelliform stapes , are intercalated portions of sense - capsules and appendages referable to the system of the splanchnoskeleton. — 1848 formssplanchnoskeletons