Category:Quadrigeminal

Quad`ri*gem"i*nal, quad`ri*gem"i*nous, a. Etym: [quadri- + l. gemini Twins.]

Defn: fourfold; having four similar parts, or two pairs of similar Parts. Quadrigeminal bodies (anat.), two pairs of lobes, or Elevations, on the dorsal side of the midbrain of most mammals; the Optic lobes. The anterior pair are called the nates, and the Posterior the testes.