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trochlea

Line breaks: troch|lea
Pronunciation: /ˈtrɒklɪə
 
/

Definition of trochlea in English:

noun (plural trochleae /-lɪiː/)

Anatomy
A structure resembling or acting like a pulley, such as the groove at the lower end of the humerus forming part of the elbow joint.
Example sentences
  • This notch articulates with the trochlea of the humerus to form the elbow joint.
  • On the lateral aspect of the calcaneus, 20 mm posterior to the peroneal trochlea, the periosteum covering an 8 x 8 mm area was peeled, and two anchors were inserted into the calcaneus at least 8 mm apart.
  • This anterior projection helps receive the trochlea of the humerus and lies in the coronoid fossa of the humerus when the elbow is flexed.

Origin

late 17th century: Latin, 'pulley'; compare with Greek trokhilia 'sheave of a pulley'.

Derivatives

trochlear

1
adjective
Example sentences
  • No significant difference in total mean chondrocyte density between trochlear, patellar, tibial, and femoral condyles was observed.
  • Inferior to the trochlear notch is the coronoid process.
  • A capsulotomy was performed and the patella was dislocated laterally to expose the articular surface of the trochlear groove.

Definition of trochlea in:

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