Category: M

An estimated measure of average radiation exposure given to the blood-forming progenitor cells of the bone marrow, e.g., in whole body radiation treatment. The percentage of active bone marrow in the useful beam is multiplied by the average absorbed dose.  

The highest dose of radiation to which a person may be exposed over 1 year.  

The largest dose that is safe to administer.  

The dose required to sustain a desired effect.  

Deoxyribonucleic acid (DNA) in the intracellular bodies known as mitochondria. It differs from nuclear DNA in its nucleotide sequences, its size (about 16.5 kb), and its source (it is derived solely from the egg, not the sperm). Variations in mtDNA point to the ways in which members of a related population differ from each other…

Response to the inability to carry out one’s chosen ethical/moral decision/action.  

A change in the morphology of a cultured microbial colony due to mutation or selection.  

The dislocation of the joint between the carpals and the phalanges, usually involving the index finger or small finger of the hand. The dislocation may be simple and respond to closed manipulation or be complex and require surgery.  

The conversion of food into small pieces by chewing, churning of the stomach, or the emulsifying action of bile salts, exposing more surface area to digestive enzymes.  

A diet used for short periods to ensure a minimum of solid material in the intestinal tract. Foods allowed include one glass of milk per day, clear fluids and juices, lean meat, noodles, and refined cereals.