D has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of D in Medical.
The more (or most) distant of two (or more) things. For example, the distal end of the femur is the end down by the knee; the end more distant from the torso. The distal bile duct is the far end of the cystic duct, the end away from the gallbladder. And the distal lymph node in a chain of nodes is the most distant one. The opposite of distal is proximal. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to "Anatomic Orientation Terms".
MedicalA quantity of radiation measured at a certain point expressed in roentgens, rems or rads. A quantity of radiation delivered at a position. In the context of space energetic particle radiation effects, it usually refers to the energy absorbed locally per unit mass as a result of radiation exposure. A general term, which may be used to refer to the amount of energy absorbed by an object or person per unit mass. Known as the “absorbed dose,” this reflects the amount of energy that ionizing radiation sources deposit in materials through which they pass, and is measured in units of radiation-absorbed dose (rad).
MedicalThe depth of a sail measured on its middle line. Machine for lowering a coal waggon from a staith to a position just above hatch of a ship Used to avoid breakage of coal while loading
MedicalLength in a particular direction of course Length of shortest track between two places Length of customary track between two places Time difference between two given meridians Angular value, at a given point, between two other points
MedicalWeight per unit volume, eg weight in oz per cub ft Relative Density = Specific Gravity = Ratio of unit volume of water compared with weight of same volume of fresh water.
MedicalA pyrimidine nucleoside found in DNA and RNA.
MedicalThe branch of medicine concerned with the diagnosis, treatment, and prevention of diseases of the skin, hair, nails, oral cavity and genitals. Sometimes also, cosmetic care and enhancement.Dermatology is literally the study of the skin.
MedicalDiathermy is electrically induced heat or the use of high-frequency electromagnetic currents as a form of physical or occupational therapy and in surgical procedures. The field was pioneered in 1907 by German physician Karl Franz Nagelschmidt, who coined the term diathermy from the Greek words dia and θέρμη therma, literally meaning heating through.
MedicalA method of bridge crane controlling speed by using the motor as a generator, with the energy being dissipated by resistance. In programming languages, pertaining to properties that can only be established during the execution of a program; for example, the length of a variable-length data object is dynamic. 2.Pertaining to an operation that occurs at the time it is needed rather than at a predetermined or fixed time.
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