from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Bent abruptly, as a knee.
  • adj. Having kneelike joints; able to bend at an abrupt angle.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Bent abruptly, with the structure of a knee.
  • adj. Having kneelike joints; able to bend at an abrupt angle.
  • v. To form joints or knots on.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Bent abruptly at an angle, like the knee when bent
  • transitive v. To form joints or knots on.

from The Century Dictionary and Cyclopedia

  • To form joints or knots in.
  • Kneed; having a protuberance like a knee or an elbow; in botany, having joints like the knee a little bent: as, a geniculate stem or peduncle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. bent at a sharp angle


Latin geniculātus, with bended knee, from geniculum, diminutive of genū, knee; see genu-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin geniculatus ("with bended knee"), from geniculum, diminutive of genu ("knee"). See the Indo-European root genu-. (Wiktionary)


  • In 1999, researchers from Berkley and Harvard inserted electrodes into the brains of anesthetized cats that monitored the activity of 177 neurons located in the lateral geniculate nucleus, a key visual processing center.

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  • This signal is then processed through four other layers of the retina and passes through the optic nerve to the lateral geniculate nucleus.

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  • By suturing shut one of a kitten's eyes at various stages of development and for various periods of time, Hubel and Wiesel (1970) showed that certain cortical and thalamic areas supporting binocular vision (specifically, ocular dominance columns and cells in the lateral geniculate body) will not develop normally unless kittens receive patterned visual stimulation during the 4th to 12th weeks of life.

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  • So far, the most compelling evidence she provides concerns the relationship between orbit convergence (movement of the eyes from the sides to the front of the face) and the activity of parvocellular and magnocellular neurons in the LGN (lateral geniculate nucleus) of the primate thalamus.

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  • Cells in the retina, lateral geniculate body (a relay station in the brain) and in the visual cortex respond mainly to edges (step changes in luminance) but not to homogeneous surface colours; so a line drawing or cartoon stimulates these cells as effectively as a ‘half tone’ photograph.

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  • The clerk Flinx encountered was straight of body but mentally geniculate from a quarter century of answering the same inane questions.

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  • This grass is an annual with stems erect or with a geniculate base, tufted, slender or stout; some of the lower nodes of the geniculate part of the stems bear roots; the internodes are green or purple tinged and glabrous.

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  • This is an annual with stems ascending from a prostrate or geniculate base, glabrous and varying in length from 1 to 3 feet.

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  • Stems are tufted, very slender, widely creeping on all sides, purplish, but the flowering branches are erect or ascending from a geniculate base, leafy at base, the nodes of the creeping branches rooting and bearing tufts of branches which finally become independent plants at each node, the creeping branches vary in length from 1 to 3 feet and the erect ones from 10 to 18 inches or more.

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