Category: O

The production of mature egg cells by the ovaries. Germ cells in the ovary multiply to produce oogonia, which divide by meiosis to form odcytes in the fetus.  

This is an executive agency of the UK government which compiles and publishes statistics on national and local populations, including their social and economic situation and their contributions to the country’s economy. It also records the demographic patterns of births, marriages and deaths, including the medical causes of death. It organizes a nationwide, ten-yearly census…

A site on the membrane surrounding a cell that binds to the hormone oestrogens. This activates the cell’s reaction to this hormone. Anti-oestrogen drugs such as tamoxifen used to treat breast cancer prevent the oestrogen binding to these receptors.  

This occurs as a result of left ventricular failure. There is an abrupt increase in the venous and capillary pressure in the blood vessels supplying the lungs, followed by flooding of fluid into the interstitial spaces and alveoli. The commonest cause of acute pulmonary oedema is myocardial infarction, which reduces the ability of the left…

A type of cell found in about 30 per cent of all bronchial cancers closely linked to smoking. It is highly malignant and, despite responding somewhat to radiotherapy and chemotherapy, the outlook is usually poor because the growth has usually spread widely by the time it is diagnosed.  

Service provided to patients who do not require lodging in a care institution.  

A health care facility to provide services for patients who do not need lodging.  

A facility for the diagnosis and treatment of ambulatory patients. The term is usually applied to a unit of a hospital.  

A provider who is not under contract with or a member of a managed care organization (MCO). Under some health care financing arrangements, the MCO must permit beneficiaries to use out-of- network providers, for whose performance (services provided, cost, quality) the MCO is then is held responsible. There is at present no legal method by…

An adjective applied to a provider or a service when the provider is not a part of the health care network (or system) or the service is not available within the network, and thus the cost has not been the subject of prior agreement. May also be called “out-of-plan.” The antonym is, of course, “in-network.”…