opisthion

English

Etymology

From New Latin opisthion, from Ancient Greek ὀπίσθιος (opísthios, “rear, behind”), from ὄπισθεν (ópisthen, “at the back, backwards”).

Noun

opisthion (plural opisthia)

1. (anatomy) The middle of the posterior margin of the foramen magnum of the skull.

References

• “opisthion”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.