Category: S

A prominent tubercle on the upper border of the pubis.  

Electroencephalogrnphic waves with a frequency of 12 or 14 cycles per second that appear during sleep and may participate in sleep maintenance. They become less frequent with aging.  

A muscle attached to the spinal process of a vertebra.  

The contour of the teeth that allows food to escape from the cusps during mastication.  

A dissemination of cells through the lymph or the blood resulting in metastasis.  

To flow out of or release; in medicine, said of a substance that cannot be maintained in the body by one of its organs, especially the kidneys. In diabetes mellitus, for example, the kidneys spill sugar into the urine. In the nephrotic syndrome, they spill protein.  

An assistive technology device for persons with limited upper extremity or one-handed function that allows food to be held in place while it is being prepared.  

A line on the abdomen lying parallel to the median line and marking the edge of the rectus abdominis muscle.  

An area on the leg in which capillaries radiate from a central point. The veins, though dilated, are not varicosities.  

An arachnid, belonging to the order Araneae, class Arachnida, phylum Arthropoda. The body is divided into cephalothorax and abdomen joined by a narrow waist. A spider usually possesses four pairs of legs as well as poison fangs. It often possesses spinnerets. A frying pan, or skillet, made of cast-iron and formerly equipped with three lengthy…