The Collaborative International Dictionary
Hyposkeletal
Hyposkeletal \Hy`po*skel"e*tal\, a. [Pref. hypo- + skeletal.] (Anat.) Beneath the endoskeleton; hypaxial; as, the hyposkeletal muscles; -- opposed to episkeletal.
Wiktionary
hyposkeletal
a. (context anatomy English) Beneath the endoskeleton; hypaxial.