[kawr-noo, -nyoo]
Cornu, Marie Alfred, 1841-1902, French physicist. From 1867 he was professor at the École polytechnique, Paris. He measured the velocity of light and made important contributions to spectrum analysis, astronomy, and optics. Cornu's spiral, a curve for calculating light intensities in Fresnel diffraction, is named for him.
Cornu (pl. cornua) is a Latin word for horn.

Cornu may also refer to:


  • Marie Alfred Cornu, a physicist for whom the Cornu spiral is named
  • Paul Cornu, an engineer sometimes credited as the creator of the first helicopter


In anatomy:

  • Cornu ammonis, a part of the hippocampus of the brain
  • Cornu anterius, cornu inferius, and cornu posterius, parts of the lateral ventricle of the brain''
  • Cornu anterius, or anterior horn, of the spinal cord
  • Cornu coccygeum, one of two upward projecting processes which articulate with the sacrum
  • Cornua of the hyoid, the greater and lesser horns of the hyoid bones
  • Cornua of the sacrum, two small processes projecting inferiorly on either side of the sacral hiatus leading into the sacral canal.
  • Uterine cornu, or uterine horn, located near the entry of the Fallopian tube

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