Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, resembling, or situated near a trochlea.
  • adjective Of or relating to the trochlear nerve.

from The Century Dictionary.

  • Pulley-like; forming a loop that acts like a pulley for a tendon to run through, or affording a surface like that of a pulley, upon which a bone may ride hack and forth. See trochlea.
  • In botany, circular, compressed, and contracted in the middle of its circumference, so as to resemble a pulley, as the embryo of Commelina communis. Also trochleate.
  • Pertaining to or connected with a trochlea: as, a trochlear muscle or nerve; trochlear movements.
  • noun A trochlear muscle or nerve; a trochlearis. Also trochleary.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) Shaped like, or resembling, a pulley; pertaining to, or connected with, a trochlea
  • noun See Pathetic nerve, under Pathetic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective anatomy Shaped like, or resembling, a pulley; related to, or connected with, a trochlea.

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

  • noun either of the two cranial nerves on either side that control the superior oblique muscles of the eyes

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin trochlea ("block or pulley").

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Examples

  • You might presume, as I did, that Polyboroides has a unique sort of intertarsal joint, perhaps with the trochlear surfaces of the distal tibiotarsus wrapping onto the posterior surface of the bone as well as the anterior surface.

    Archive 2006-05-01 Darren Naish 2006

  • The researchers concluded that the VMO is indeed an important stabilizer of the patella in the trochlear groove.

    FitBits: Fitness News You Can Use William Harryman 2007

  • Whereas the olfactory and optic nerves are sensory and the oculomotor and trochlear nerves are motor; the trigeminal nerve is a mixed nerve, containing both sensory and motor fibers, each attached to the pons by a separate structure.

    The Human Brain Asimov, Isaac 1963

  • -- Two forms of true patellar luxation in the horse may be considered; one which is due to the patella becoming fixed upon the internal trochlear rim of the femur and the other when the patella slips over the outer rim of the trochlea.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • Traction is exerted upon the rope and at the same time force is directed against the stifle joint to produce further extension if possible, so that the straight patellar ligaments may relax sufficiently to allow the patella to be dislodged from its position upon the inner trochlear lip.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • _Outward luxation of the patella_ is occasioned by a lax condition of the internal femeropatellar ligament or a rupture of the same so that the patella slips over the outer femoral trochlear rim and permits of an abnormal flexion of the stifle joint.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • When the patella is situated upon the inner trochlear rim, the tibia must be extended because of the traction exerted by the straight ligaments.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • The outer trochlear rim being the smaller of the two, inward luxation does not occur in the horse.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • It then runs forward on the lateral side of the calcaneus, above the trochlear process and the tendon of the Peronæus longus, and is inserted into the tuberosity at the base of the fifth metatarsal bone, on its lateral side.

    IV. Myology. 8c. The Muscles and Fasciæ of the Leg 1918

  • The tendon then extends obliquely forward across the lateral side of the calcaneus, below the trochlear process, and the tendon of the Peronæus brevis, and under cover of the inferior peroneal retinaculum.

    IV. Myology. 8c. The Muscles and Fasciæ of the Leg 1918

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