The trochlear nerve emerges from the dorsal aspect of the brainstem at the level of the caudal mesencephalon, just below the inferior colliculus.
22.
CN III ), which may affect the parasympathetic input to the superior oblique ( innervated by trochlear nerve a . k . a.
23.
The scarred ligaments shorten, making it easier for the patella to slip off the medial trochlear ridge and reducing locking of the patella.
24.
More rarely, the oculomotor nerve and trochlear nerve ( weakness of the muscles of facial expression on one or both sides of the face.
25.
An exception is the trochlear nucleus in the brainstem, which innervates the superior oblique muscle of the eye on the opposite side of the face.
26.
In patients with HGPPS, the absence of Robo3 / Rig1 prevents axons in the corticospinal tract and the trochlear nerve from growing past the midline.
27.
The unique features of the trochlear nerve, including its dorsal exit from the brainstem and its contralateral innervation, are seen in the primitive brains of sharks.
28.
Alfred Bielschowsky's head tilt test is a test for palsy of the superior oblique muscle caused by damage to cranial nerve IV ( trochlear nerve ).
29.
Trochleitis was first identified in 1984 by Tychsen, et al . in a study of thirteen patients with orbital pain and point tenderness over the trochlear region.
30.
The accurate adaptation of the trochlea of the humerus, with its prominences and depressions, to the trochlear notch of the ulna, prevents any lateral movement.
