trochlea

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trochlea

[trok´le-ah] (L.)

a pulley-shaped part or structure; used in anatomic nomenclature to designate a bony or fibrous structure through which a tendon passes or with which other structures articulate.

troch·le·a

, pl.

troch·le·ae

(trok'lē-ă, -lē-ē), [TA]

1. A structure serving as a pulley.

2. A smooth articular surface of bone upon which another glides.

[L. pulley, fr. G. trochileia, a pulley, fr. trechō, to run]

trochlea

/troch·lea/ (trok´le-ah) pl. troch´leae [L.] a pulley-shaped part or structure; used in anatomic nomenclature to designate a bony or fibrous structure through which a tendon passes or with which other structures articulate.troch´lear

trochlea

(trŏk′lē-ə)

n. pl. troch·leae (-lē-ē′)

An anatomical structure that resembles a pulley, especially the part of the distal end of the humerus that articulates with the ulna.

trochlea

[trok′lē·ə]

a pulley-shaped part or structure.

troch·le·a

, pl. trochleae (trok'lē-ă, -ē) [TA]

1. A structure serving as a pulley.

2. A smooth articular surface of bone on which another glides.

3. A fibrous loop in the orbit, near the nasal process of the frontal bone, through which passes the tendon of the superior oblique muscle of the eye.

[L. pulley, fr. G. trochileia, a pulley, fr. trechō, to run]

trochlea

A body structure that resembles a pulley, especially that for the tendon of the superior oblique eye muscle.

troch·le·a

, pl. trochleae (trok'lē-ă, -ē) [TA]

1. Structure serving as a pulley.

2. Smooth articular surface of bone on which another glides.

[L. pulley, fr. G. trochileia, a pulley, fr. trechō, to run]

trochlea

pl. trochleae [L.] a pulley-shaped part or structure; various bony or fibrous structures through or over which tendons pass or with which other structures articulate, e.g. femoral, humeral, radial.

femoral trochlea

the articular surface on the cranial aspect of the distal femur upon which the patella glides.

humeral trochlea

grooved articular surface at the distal end of the humerus; articulates with the radius and ulna.