Category: S

Urticaria occurring in certain people after exposure to sunlight.  

A healing by second intention with adhesion of granulating surfaces.  

A rarely occurring ulcer of the colon caused by pressure from impacted feces. Perforation through the walls of the colon may cause peritonitis, sepsis, and, sometimes, death.  

A corneal ulcer found in some patients with vernal conjunctivitis. The ulcer is sometimes associated with corneal plaques that may permanently impair vision.  

A creeping ulcer that heals in one part and extends to another.  

The resistance of the skin to deformation, especially to being grasped between the fingers. In a healthy person, when the skin on the back of the hand is grasped between the fingers and released, it returns to its normal appearance either immediately or relatively slowly. The state of hydration of the skin can determine which…

A rough, elevated area just above the glenoid cavity of the scapula. The long head of the biceps muscle of the arm attaches to this tubercle.  

Either of two long chains of paravertebral sympathetic ganglia, connected by sympathetic nerve fibers, and extending along the vertebral column from the skull to the coccyx.  

The depression in a muscle fiber adjacent to the axon terminal of a motor neuron in a myoneural junction.  

The triangle slightly above and behind the exterior auditory meatus. It is bounded above by the root of the zygoma and anteriorly by the posterior wall of the exterior auditory meatus.