Category: S

Anesthesia produced by introducing the anesthetic agent into the fourth lumbar interspace to anesthetize the perineum and the buttocks.  

Enlargement of the spleen due to portal or splenic hypertension with accompanying anemia, leukopenia, thrombocytopenia, and gastric hemorrhage.  

Anemia due to severe infection.  

Study of form and markings of the surface of the body, especially as they relate to underlying structures.  

Study of anatomy from transverse, sagittal, coronal, or oblique sections.  

Anastomosis between two structures lying or positioned beside each other.  

A reaction between IgE antibodies bound to mast cells and an allergen that causes the sudden release of immunological mediators in the skin, respiratory, cardiovascular, and gastrointestinal systems. The consequences may range from mild (e.g., itching, hives) to life-threatening (airway obstruction and shock).  

Amyloidosis associated with a chronic disease, such as tuberculosis, syphilis, Hodgkin’s disease, or rheumatoid arthritis, and with extensive tissue destruction. The spleen, liver, kidneys, and adrenal cortex are most frequently involved.  

Music deafness; inability to appreciate musical sounds.  

Nonsurgical separation of an extremity or digit.