opisthocoelous

== English == === Etymology === From opistho- +‎ -coelous (“concave”). === Adjective === opisthocoelous (not comparable) concave behind; applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave ==== Synonyms ==== opisthocoelian === References === “opisthocoelous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.