Glossary with audio assistance
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a chemical solution which converts exposed silver bromide crystals into silver metal within the emulsion during processing
production of faeces that contain an excess amount of water
a space between teeth. There is a natural space in the jaw of rodents and herbivores where canine teeth would be found in other species.
relaxation stage of the cardiac cycle. The term applies to both atrial and ventricular relaxation.
the net movement, as a result of random motion of its particles, of a substance from an area of high concentration to an area of low concentration
the process by which food materials are broken down into small soluble chemical units
cells with the full number of chromosomes, each in pairs. These include most cells within the animal’s body.
the number of chromosomes (2n) found in the nucleus of all cells except gametes which are haploid cells
a chemical used to control, prevent and destroy pathogens present on inanimate objects - although it is not usually active against bacterial spores. The process does not necessarily kill all micro-organisms, but reduces then to a level acceptable for a defined purpose, for example a level which is considered not harmful to health. (Note, the difference between “disinfectants” and “antiseptics” which are applied to living tissues.)