Stage ICancer cells are found only on the surface of the affected organ or area.
Stage IICancer cells are found in the deeper tissues of the organ or area and have spread.
Stage IIICancer cells are found in even deeper tissues and have spread to nearby lymph nodes or other nearby areas.
Stage IVCancer cells are found throughout the organ or area and in nearby lymph nodes and/or have spread to other parts of the body.
- Stain, Gram
The Danish bacteriologist J.M.C. Gram (1853- 1938) devised a method of staining bacteria using a dye called crystal (gentian) violet. Gram’s method helps distinguish between different types of bacteria. The gram-staining characteristics of bacteria are denoted as positive or negative, depending upon whether the bacteria take up and retain the crystal violet stain or not. […]
- Standard of care
1. A diagnostic and treatment process that a clinician should follow for a certain type of patient, illness, or clinical circumstance. Adjuvant chemotherapy for lung cancer is “a new standard of care, but not necessarily the only standard of care.” (New England Journal of Medicine, 2004) 2. In legal terms, the level at which the […]
A semisynthetic analog of dihydrotestosterone.
A stirrup-shaped bone in the middle ear. The stapes transmits sound vibrations from the incus, another little bone in the middle ear, to the oval window adjacent to the inner ear. The stapes is the smallest bone in the body. Pronounced stay-peas. Stapes, a Late Latin word meaning stirrup, cannot have been a classical Latin […]
Very commonly used shortened form of Staphylococcus, a very common and important group of bacteria. See Staphylococcal infection.