trochlea

[ trok-lee-uh ]

noun

, Anatomy.

, plural troch·le·ae [trok, -lee-ee], troch·le·as.

1. a pulleylike structure or arrangement of parts.

trochlea

/ ˈtrɒklɪə /

noun

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

Word History and Origins

Origin of trochlea¹

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

Word History and Origins

Origin of trochlea¹

C17: from Latin, from Greek trokhileia a sheaf of pulleys; related to trokhos wheel, trekhein to run

Example Sentences

The trochlea (fig. 77, 5) at the distal end of the bone is a pulley-like surface, elevated at the sides and grooved in the middle.

From Project Gutenberg

It articulates with the external portion of the trochlea, while the ulna articulates with the internal portion.

From Project Gutenberg

The proximal end articulates with the trochlea, the distal end with the bones of the carpus.

From Project Gutenberg

The Knee Joint is a hinge formed by the condyles and trochlea of the femur, the patella, and the head of the tibia.

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