Pain Dictionary

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Deoxyribonucleic acid (DNA)
The genetic material of all cells and many viruses. Deoxyribonucleic acid is the double-helix molecule holding the genetic information of organisms. DNA along with protein composes the chromatin (chromosomes).

Debridement
Removal of devitalised tissue (surgical, mechanical, enzymatic, autolytic etc).

Debris
Remains of broken down or damaged cells or tissue.

Differentiation
Process in development of cells in a multicellular organism by which cells become specialized for particular functions.

Disinfections
Agents that destroy the micro-organisms from inert surfaces, used particularly on instruments, work surfaces, etc. Not intended for use on the tissue. Not effective on bacterial spores and other relatively resistant organisms e.g. mycobacteria, nonlipid virus and fungi. Reduction of bioburden with > 5 log steps is expected.