GPO
GPO in a healthcare context (and many other contexts) a GPO is a Group Purchasing Organization.
A medical group purchasing organization might be able to bring the purchasing power and negotiating leverage of large medical consortiums or hospital systems to doctors’ offices.
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- Graft
Healthy skin, bone, kidney, liver, or other tissue that is taken from one part of the body to replace diseased or injured tissue removed from another part of the body. For example, skin grafts can be used to cover areas of skin that have been burned.
- Graft-versus-host disease
an early form called acute GVHD that occurs soon after the transplant when the white cells are on the rise, and a late form called chronic GVHD. Acute GVHD typically occurs within the first three months after a transplant and can affect the skin, liver, stomach, and/or intestines. The earliest sign is usually a rash […]
- Gram (measure)
A unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of a kilogram. In mass, a gram is equal to a thousandth of a liter (one cubic centimeter) of water at 4 degrees centigrade. The word “gram” comes from the Late Latin “gramma” meaning […]
- Gram stain
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. Gram-positive […]
- Gram-negative
Gram-negative bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram’s method of staining. This is characteristic of bacteria that have a cell wall composed of a thin layer of a particular substance (called peptidoglycan). The Gram-negative bacteria include most of the bacteria normally found in the gastrointestinal tract […]