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

(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.

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]
References in periodicals archive ?
Trochlear dysplasia means that the trochlea is flat or dome shaped and there is no congruence between the patellar and trochlear facets.
The cortical bone defects of the patella ventral on the left knee were continually improved, and the trochlea was smoother in the treated group at 28 days posttreatment.
tarsometatarsal bone; 2, lateral trochlea; 3, medial trochlea; 4, metatarsophalangeal joint; 5, first phalanx of digit III; 6, second phalanx of digit III; 7, third phalanx of digit III; 8, fourth phalanx of digit 111; 9, first phalanx of digit IV; 10, second phalanx of digit IV; 11, third phalanx of digit IV; 12, fourth phalanx of digit IV; 13, fifth phalanx of digit IV.
Amounts of sweat glands located in human skin, secretory portion ([??]), and trochlea portion ([??]) are detected.
Segment Proximal boundary Distal boundary Upper Arm Glenohumeral Joint Humeroulnar Joint Forearm Humeroulnar Joint Ulnocarpal Joint Hand Ulnocarpal Joint Distal Phalanges Thigh Shank Femoral Head Tibiofemoral Joint Tibiofemoral Joint Talocrural Joint Foot Talocrural Joint Distal Phalanges Segment Basic description (a) Upper Arm Commences between the head of the Humerus and glenoid fossa of the Scapula, separating the upper arm from the trunk; Ending at the elbow axis, noted by the trochlea of the Humerus and olecranon process of the Ulna.
The patient had sustained several dislocations and underwent multiple repair surgeries but the procedures were unsuccessful because the damage had considerably worn away the natural groove (trochlea) in her left kneecap, causing the joint to easily slip off its intended track.
MRI-OA features were most frequently found in the patellofemoral compartment, particularly the medial femoral trochlea, a potentially underrecognized site of knee pathology following reconstruction.
Moderate lipping was observed along the margins of the trochlea and capitulum of right humerus #70.
The body is defined as the part of the bone located posterior to an imaginary plane passing through the anterior border of the superior surface of the trochlea of the tali and posterior calcaneal surface.
Dysplasia of the femoral trochlea. Rev Chir Orthop Reparatrice Appar Mot 1990; 76(1):45-54.
The trochlea was scarified and was covered with gastrocnemius muscle by suturing muscle tendon to fascia in front of femur.