trochlea

American  

[trok-lee-uh] / ˈtrɒk li ə /

noun

Anatomy.

plural

trochleae, trochleas

1. a pulleylike structure or arrangement of parts.

---

trochlea British  

/ ˈtrɒklɪə /

noun

1. any bony or cartilaginous part with a grooved surface over which a bone, tendon, etc, may slide or articulate

---

Etymology

Origin of trochlea

1685–95; < Latin: pulley block or sheave < Greek trochiléa, trochil ( e ) ía; akin to tróchilos sheave, runner, akin to tréchein to run

Example Sentences

Trochlea, trok′lē-a, n. a pulley-like cartilage through which the superior oblique muscle of the eye-ball passes: in the elbow-joint, the articular surface of the lower extremity of the humerus, grasped by the greater sigmoid cavity of the ulna.—adjs.

From Project Gutenberg

Troch′lēar, shaped like a pulley; Troch′lēary, relating to the trochlea.

From Project Gutenberg

The inferior extremity, transversely enlarged, presents an undulating articular surface, which reminds us of the trochlea and the condyle of the human humerus; on which, however, the condyle is more sharply defined from the trochlea.

From Project Gutenberg

In the human skeleton, the internal lip of the trochlea descends lower than the external; and also lower than the condyle.

From Project Gutenberg

In the ox and the sheep, the condyle is lower than the trochlea, but only very little lower.

From Project Gutenberg