Category: S

An articulation between two cranial or facial bones.  

A multiaxial joint with spheroid surfaces.  

In the lower jaw, a condition that may be due to alveolar abscess, a cyst, gumma, sarcoma, or actinomycosis. In the upper jaw, this sign may occur in alveolar abscess, parotid tumor, parotitis, carcinoma, sarcoma, necrosis of bone, or disease of antrum.  

The appearance of papules resembling insect bites on the skin of persons who swim in water containing the cercariae of certain schistosomes. It is usually present only on exposed surfaces of the skin. The papules appear from 4 to 13 days after exposure. The disease is self-limited; thus treatment is symptomatic. An inflammatory skin condition…

Iritis in which serum forms the exudate.  

Iritis in which the inflammation has spread from neighboring parts, as in diseases of the cornea and sclera.  

The removal of a wedge shaped section of the iris (e.g., as a treatment for a local melanoma or a vascular tumor).  

Anything that blocks the acquisition, recall, or retention of words.  

The measure of power per unit area of ultrasound application, expressed in watts per square centimeter (w/cm2). The spatial average intensity is calculated by dividing the ultrasonic output, expressed in watts, by the effective radiating area of the sound head (e.g., 20 wattts /10 cm2 sound head = 2.0 w/cm2 SAI)  

The relative brilliance of a radiographic image, radioactive tracer, or biological marker.