trochlear


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Related to trochlear: trigeminal, hypoglossal, abducens

trochlear

 [trok´le-ar]
1. pertaining to a trochlea.
2. pertaining to the fourth cranial nerve (trochlear nerve).
trochlear nerve the fourth cranial nerve; it supplies muscle sense and the impulse for movement to the superior oblique muscle of the eyeball. See anatomic Table of Nerves in the Appendices.

troch·le·ar

(trok'lē-ăr),
1. Relating to a trochlea, especially the trochlea of the superior oblique muscle of the eye. Synonym(s): trochlearis (1)
2. Synonym(s): trochleiform

trochlear

(trŏk′lē-ər)
adj.
1. Of, resembling, or situated near a trochlea.
2. Of or relating to the trochlear nerve.

trochlear

[trok′lē·ər]
Etymology: L, trochlea, pulley
1 pertaining to a trochlea or something that is pulley shaped.
2 relating to the trochlear (fourth cranial) nerve.

troch·le·ar

(trok'lē-ăr)
1. Relating to a trochlea, especially the trochlea of the superior oblique muscle of the eye.
2. Synonym(s): trochleiform.

trochlear

1. pertaining to a trochlea.
2. pertaining to the fourth cranial (trochlear) nerve.

trochlear nerve
see Table 14.
trochlear notch
semicircular notch in the proximal extremity of the ulna, articulates with the trochlea of the humerus, overhung by the 'beak' of the ulna's anconeal process.
trochlear orbit
a flat piece of cartilage, or loop of fibrous tissue, embedded in the dorso-medial wall of the orbit close to the edge of the orbit; acts as a pulley for the dorsal oblique muscle.
trochlear talus
the proximal articular surface on the talus, articulates with the tibia.
References in periodicals archive ?
The MPFL is most tightened at 20[degrees]-30[degrees] of flexion and it plays an important role in guiding the patella into the trochlear groove.
King, "Outcome after open reduction and internal fixation of capitellar and trochlear fractures," The Journal of Bone & Joint Surgery--American Volume, vol.
To report and to estimate the differences in other morphological parameters such as maximum anterioposterior length of the talus (MAPL), maximum transverse width of the talus (MTW), trochlear length (TL), length of the sulcus tali (LS), and width of the sulcus tali (WS) of the right and left sides.
There is no definitive reason why some develop trochlear dysplasia, but recent literature has provided initial insight into the possible etiology of this problem.
Spontaneous complete recovery of trochlear nerve was seen in almost half of the patients with severe head injury and are more prone to partial and delayed recovery (more than one year) (6).
These include optic nerve, oculomotor nerve, trochlear nerve, abducens nerve, and the ophthalmic branch of the trigeminal nerve.
Arthroscopy confirmed an encapsulated neoplasm that arose from the intra-patellar fat pad, and extended to the lateral compartment and trochlear groove.
The ankle joint is formed by the articulation between the mortise of the lower tibia and fibula and the trochlear surface of the talus.
The mechanism for PFPS is not well understood; however, it has been suggested that the condition may arise from abnormal muscular and biomechanical factors that alter tracking of the patella within the femoral trochlear notch, contributing to increased patellofemoral contact pressures that result in pain and dysfunction [6].
Trochlear nerve neurinoma presenting as pathological laughter.