Sapovirus
A virus, formerly called “Sapporo-like virus” (SLV) and sometimes referred to as classic or typical calicivirus, which can cause acute gastroenteritis (“stomach flu”).
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- Sapphism
Female homosexuality. Named after the poet Sappho who lived on the Greek island of Lesbos (circa 600 BC). She was a lesbian by geography and sexual orientation. Also called lesbianism.
- Sarcoidosis
A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation in body tissues. Sarcoidosis can appear in almost any body organ, but it most often starts in the lungs or lymph nodes. It can also affect the eyes, liver, and skin; and less often it affects the spleen, bones, joints, skeletal […]
- Sarcoma botryoides
A malignancy of the cervix, vagina, or bladder in infants and young children that arises from embryonal rhabdomyoblasts (ancestral muscle cells). The tumor resembles a bunch of grapes. It has a generally good prognosis with conservative surgery followed by chemotherapy. Also known as embryonal rhabdomyosarcoma.
- Sarcoma
One of a group of tumors usually arising from connective tissue. Most sarcomas are malignant. Many types are named after the type of cell, tissue, or structure involved, as in angiosarcoma, chondrosarcoma, fibrosarcoma, liposarcoma,and osteosarcoma.
- Sarcoma, Ewing
A malignant tumor that arises in a primitive nerve cell within bone or soft tissue and affects children and adolescents, especially between ages 10 and 20. Ewing sarcoma usually appears in the large bones of the arms and legs and the flat bones of the pelvis, spine, and ribs. Treatments include chemotherapy, surgery, and radiation […]