| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |
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| CHARGE | coloboma, heart disease, atresia choanae, retarded growth and retarded development and/or CNS anomal... |
| ACFAO | American College of Foot and Ankle Orthopedics and Medicine |
| AACN | American Association of Colleges of Nursing; American Association of Critical-Care Nurses |
| AACP | American Academy of Cerebral Palsy; American Association of Colleges of Pharmacy |
| Muller's law | Each type of sensory nerve ending, however stimulated (electrically, mechanically, etc.), gives rise to its own specific sensation; moreover, each type of sensation depends not upon any special character of the different nerves but upon the part of the brain in which their fibres terminate. Synonym: law of specific nerve energies. (05 Mar 2000) |
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| Coppet's law | Solutions having the same freezing point have equal concentrations of dissolved substances. (05 Mar 2000) |
| Poiseuille's law | In laminar flow, the volume of a homogeneous fluid passing per unit time through a capillary tube is directly proportional to the pressure difference between its ends and to the fourth power of its internal radius, and inversely proportional to its length and to the viscosity of the fluid. (05 Mar 2000) |
| coulomb's law | <radiobiology> Force law governing the electrical interaction between charged particles. Force is proportional to (charge of first particle) (charge of second particle) / (square of separation between particles). Constant of proportionality depends on system of units used. (In SI units, it is 1/(4piepsilon_0), where epsilon_0 is the permittivity of free space, approx. 8.854 x 10^-12) (09 Oct 1997) |
| Courvoisier's law | Enlargement of the gallbladder with jaundice is likely to result from carcinoma of the head of the pancreas and not from a stone in the common duct, because in the latter the gallbladder is usually scarred from infection and does not distend. Synonym: Courvoisier's sign. (05 Mar 2000) |
| criminal law | A branch of law that defines criminal offenses, regulates the apprehension, charging and trial of suspected persons, and fixes the penalties and modes of treatment applicable to convicted offenders. (12 Dec 1998) |
| Haeckel's law | The theory formulated by E.H. Haeckel that individuals in their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym: biogenetic law, law of biogenesis, Haeckel's law, law of recapitulation. (05 Mar 2000) |
| Halsted's law | Transplanted tissue will grow only if there is a lack of that tissue in the host. (05 Mar 2000) |
| Hamburger's law | Albumins and phosphates pass from red corpuscles to serum and chlorides pass from serum to cells when blood is acid; the reverse occurs when blood is alkaline. (05 Mar 2000) |
| Hardy-Weinberg law | <genetics> This genetics law states that the frequencyof a given genotype will reach equilibrium in a randomly mating population and will stay constant over many generations in the absence of selection pressures. (09 Oct 1997) |
| Heidenhain's law | Glandular secretion is always accompanied by an alteration in the structure of the gland. (05 Mar 2000) |
| Hellin's law | Twins occur once in 89 births, triplets once in 892, and quadruplets once in 893. If the frequency of twins in a population is p, the frequency of triplets is p2, and the frequency of quadruplets is p3. (05 Mar 2000) |
| Profeta's law | The subject of congenital syphilis is immune against the acquired disease. (05 Mar 2000) |
| Henry's law | at equilibrium, at a given temperature, the amount of gas dissolved in a given volume of liquid is directly proportional to the partial pressure of that gas in the gas phase (this only holds for gases that do not react chemically with the solvent). (05 Mar 2000) |
| Hess' law | The amount of heat generated by a reaction is the same whether the reaction takes place in one step or several steps; i.e., dH values (and thus dG values) are additive. (05 Mar 2000) |