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Density
Density The amount of darkness or light in an area of a scan reflects the compactness and density of tissue. Differences in tissue density are the basis for CT and MR scans.
RELATED TERMS--------------------------------------
Density
The amount of darkness or light in an area of a scan reflects the compactness and density of tissue. Differences in tissue density are the basis for CT and MR scans.
Tissue
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
SIMILAR TERMS--------------------------------------
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Debulk
A surgical procedure to decrease mass effect by removing a portion of a tumor or dead tissue. See mass effect.
Decadron
Dexamethasone. A glucocorticosteroid medication used to reduce brain tissue swelling.
Decompressive
Refers to a surgical procedure during which bone, tissue, or tumor is removed to lessen intracranial pressure.
Dedifferentiate
A mature cell returning to a less mature state. See differentiate, undifferentiated.
Delivery
See drug delivery.
Density
Differentiate
The process cells undergo as they mature into normal cells. Differentiated cells have distinctive characteristics, perform specific functions, and are less likely to divide. See dedifferentiate, undifferentiated.
Drug delivery
The method and route used to provide medication.
Dura mater
The outermost, toughest, and most fibrous of the three membranes (meninges) that cover the brain and spinal cord.
Dysfunctional
Working improperly or abnormally.
Dietician
An individual trained in diet and nutrition.
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