Category: D

A drug that reduces blood pressure and is used to treat essential hypertension. It is administered by mouth; side-effects include stuffiness of the nose, diarrhea, nausea, headache, lethargy, and depression.  

A genus of mites that have been detected in samples of dust taken from houses in various parts of Europe. The mites may occasionally infest the skin of the scalp and cause dermatitis.  

A genus of nonbloodsucking flies inhabiting lowland woods and forests of South and Central America. The parasitic maggots of D. hominis can cause a serious disease of the skin in man. The maggots burrow into the skin, after emerging from eggs transported by bloodsucking insects (e.g. mosquitoes), and produce painful boil-like swellings. Treatment involves surgical…

A genus of widespread parasitic mites. The red poultry mite, D. gallinae, is a common parasite of wild birds in temperate regions but can also infest poultry. It occasionally attacks and takes a blood meal from man, causing itching and mild dermatitis.  

A genus of hard ticks, worldwide in distribution, the adults of which are parasites of man and other mammals. The wood tick, D. andersoni, transmits Rocky Mountain spotted fever to man in the western USA and the dog tick, D. variabilis, is the vector of the milder form of this disease in the east. A…

An antiseptic, active against some bacteria and fungi, used as lozenges or paint to treat mouth and throat infections.  

A paraprofessional or subprofessional health-care worker who is allowed by laws or other regulations to provide a limited amount of treatment to a patient, usually under the supervision or direction of an independent practitioner, such as a physician. An example of a dependent practitioner would be an occupational therapist or dental hygienist.  

An enzyme, located in the lysosomes of cells, that splits DNA at specific places in the molecule. An enzyme that hydrolyzes and thus depolymerizes deoxyribonucleic acid (DNA).  

A hormone, synthesized and released by the adrenal cortex, that regulates salt and water balance. A hormone from the adrenal gland. It acts principally on salt and water metabolism.  

The formation of mature dentine in a tooth by the odontoblasts. Formation of dentin in the development of a tooth.