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trochlear
trochlear, a. (ˈtrɒkliːə(r)) [ad. mod.L. trochleār-is, f. trochlea: see prec. and -ar.] 1. Anat. Belonging to or connected with a trochlea, as a muscle, nerve, etc.; forming a trochlea, pulley-like, as a surface of a bone, etc. trochlear fossa, t. spine, parts of the frontal bone connected with the ...
Oxford English Dictionary
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Trochlear fovea
The trochlear fovea is a slight depression on the anteromedial orbital surface of the orbital plate of the frontal bone. Attached to the trochlear fovea is the trochlea of the superior oblique muscle.
References
Bones of the head and neck
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Trochlear nucleus
The nucleus of the trochlear nerve () is a motor nucleus in the medial midbrain giving rise to the trochlear nerve (cranial nerve IV). The trochlear nucleus is unique in that its axons run dorsally and cross the midline at the trochlear decussation (located in the superior medullary velum
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Trochlear nerve
Structure
The trochlear nerve provides motor innervation to the superior oblique muscle of the eye, a skeletal muscle; the trochlear nerve thus carries Course
Each trochlear nerve originates from a trochlear nucleus in the medial midbrain.
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Trochlear notch
The trochlear notch (), also known as semilunar notch and greater sigmoid cavity, is a large depression in the upper extremity of the ulna that fits the
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Trochlea
the knee hinge joint with the patella)
The trochlea tali in the superior surface of the body of talus (part of the ankle hinge joint with the tibia)
Trochlear structures which serve as a guide for muscles:
Trochlea of superior oblique (see also superior oblique muscle), a mover of the eye which is supplied by the trochlear
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Trochleitis
The trochlear region is extremely tender to touch. Primary trochlear headache: A new cephalgia generated and modulated on the trochlear region. Neurology 2004: 62:1134-1140.
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Trochlea of humerus
In the human arm, the humeral trochlea is the medial portion of the articular surface of the elbow joint which articulates with the trochlear notch on The spiralling nature of the trochlear groove results in the varying transverse axes of the elbow joint.
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第ⅳ颅(滑车)神经麻痹 - 神经系统疾病 - Msd诊疗手册专业版
第Ⅳ颅神经(滑车神经)麻痹导致上斜肌受累,从而影响垂直凝视,主要是影响眼球内收。. (参见 神经眼科疾病和颅神经疾病概述 。. ). 滑车神经麻痹通常是特发性的。. 病因明确的很少,病因包括:. 闭合性颅脑损伤(常见),可导致单侧或双侧瘫痪. 小血管 ...
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Patellar subluxation syndrome
, or patella alta, which is a distance of greater than 20 mm between the tibial tubercle and the trochlear groove. Patients with an important supra-trochlear spur as in type B and D trochlear dysplasia and chronic instability are more reluctant to conservative and soft-tissue
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第 4 对脑神经(滑车神经)麻痹 - 脑、脊髓及神经障碍 - 《默沙东诊疗手册大众版》
第 4 对脑神经 (滑车神经)麻痹. 第 4 对脑神经麻痹可影响垂直眼球运动。. 通常无法确定病因,但病因明确时,常为头部外伤,有时为轻度损伤。. 患者出现复视,然而,如将头部歪向受累眼球对侧,复视可消失。. 医生可根据症状怀疑第4对脑神经麻痹,但也可 ...
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Cavernous nerve plexus
It communicates with the oculomotor, the trochlear, the ophthalmic and the abducent nerves, and with the ciliary ganglion, and distributes filaments to The branch of communication with the oculomotor nerve joins that nerve at its point of division; the branch to the trochlear nerve joins it as it lies
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Humeroulnar joint
The humeroulnar joint (ulnohumeral or trochlear joint) is part of the elbow-joint. It is composed of two bones, the humerus and ulna, and is the junction between the trochlear notch of ulna and the trochlea of humerus.
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Superior oblique myokymia
Causes
In 1983, Bringewald postulated that superior oblique myokymia resulted from vascular compression of the trochlear nerve (fourth cranial nerve), By 1998, there had been only one reported case of compression of the trochlear nerve by vessels.
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Fourth nerve palsy
Fourth cranial nerve palsy or trochlear nerve palsy, is a condition affecting cranial nerve 4 (IV), the trochlear nerve, which is one of the cranial nerves Because the trochlear nerve is the thinnest and has the longest intracranial course of the cranial nerves, it is particularly vulnerable to traumatic injury
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