hypantrum

== English == === Etymology === From hyp- +‎ antrum. === Pronunciation === IPA(key): /ˌhaɪˈpæn.tɹəm/, /ˌhɪˈ-/ === Noun === hypantrum (plural hypantra) (zoology) The point on the neural arch at the anterior ends of the vertebrae of various reptiles where it articulates with the hyposphene