Category: E

Nystagmus that occurs when eyes are turned to extreme positions. It may occur normally in debilitation or fatigue, or it may be due to pathology of the subcortical centers for conjugate gaze.  

A registered nurse with special training and certification in the prevention of hospital-acquired infections in patients.  

A nucleus of the cerebellum lying between the dentate and globose nuclei. It receives the axons of Purkinje cells and sends efferent fibers into the brachium conjunctivum.  

A nucleus of the midbrain located dorsomedially to the oculomotor nucleus. It gives rise to the visceral efferent fibers terminating in the ciliary ganglion, the axons from which innervate the ciliary muscle and the sphincter iridis of the eye. A small group of nerve cells in the rostral portion of the nucleus of the oculomotor…

One of two depressions that develop between the dental lamina and the enamel organ.  

Raised lesions present at birth. They may be hyperkeratotic and widely distributed.  

A visceral nerve whose stimulation causes reflex action.  

A nerve that transmits impulses that stimulate function.  

Necrosis resulting from an embolic occlusion of an artery.  

A condition in which the nail plate is soft and semitransparent, bends easily, and splits at the end. The condition is associated with arthritis, peripheral neuritis, leprosy, and hemiplegia. It may be the only visible sign of late syphilis.