Examlex
COUNT(*) tallies only those rows that contain a value, while COUNT counts all rows.
Dorsal Column Tracts
Sensory pathways in the spinal cord that convey touch, vibration, and proprioceptive information to the brain.
Tactile Corpuscles
Specialized nerve endings in the skin responsible for sensitivity to light touch.
Vitreous Humor
A clear, gel-like substance that fills the space between the lens and the retina of the eye, helping maintain its shape.
Fovea Centralis
The fovea centralis is a small depression in the retina where visual acuity is highest, responsible for sharp central vision.
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