| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |
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| NK | Commission on [Anatomical] Nomenclature [Ger. Nomenklatur Kommission]; natural killer [cell]; neurok... |
| NKCA | natural killer cell activity |
| NKCF | natural killer cytotoxic factor |
| NKSF | natural killer cell stimulatory factor |
| integrated resource planning | See Least cost planning. (05 Dec 1998) |
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| least cost planning | (integrated resource planning) A method of power planning that recognises load uncertainty, embodies an emphasis on risk management, and reviews all available and reliable resources to meet future loads. It takes into consideration all costs of a resource, including capital, labour, fuel, maintenance, decommissioning, known environmental impacts, and the difficulty in quantifying the consequences of selecting one resource over another. Least cost planning seeks to minimise total energy costs. (05 Dec 1998) |
| alu-equivalent family | A set of sequences in a mammalian genome that is related to the human Alu family. (05 Mar 2000) |
| alu family | A set of dispersed sequences in the human genome having Alu cleavage sites at each end. (05 Mar 2000) |
| cancer family | A group of blood relatives of whom several have had cancer; the mode of aggregation may be genetic and homogeneous, as in familial polyposis of the colon; diverse as in neurofibromatosis; or due to common exposure to a carcinogenic or oncogenic agent, such as a virus. (05 Mar 2000) |
| gene family | <molecular biology> A set of genes coding for diverse proteins which, by virtue of their high degree of sequence similarity, are believed to have evolved from a single ancestral gene. An example is the immunoglobulin family where the characteristic features of the constant domains are found in various cell surface receptors. (18 Nov 1997) |
| phage integrase family | <enzyme> Enzymes that mediate site specific recombination in prokaryotes. They fall into two families, phage integrases and resolvases. (18 Nov 1997) |
| physicians, family | Those physicians who have completed the education requirements specified by the american academy of family physicians. (12 Dec 1998) |
| colon cancer, family history of | Colorectal cancer can run in families. The colon cancer risk is higher if an immediate (first-degree) family member (parents, siblings or children) had colorectal cancer and even higher if more than one such relative had colorectal cancer or if a family member developed the cancer at young age (younger than 55 years). Under any of these circumstances, individuals are recommended to undergo a colonoscopy every three years starting at an age that is 7-10 years younger than when the youngest family member with the cancer wasdiagnosed. For example, if a parent had colon cancer diagnosed at age 50, colonoscopy should start in that person's children at 40-43 years of age. (12 Dec 1998) |
| multigene family | <molecular biology> A set of genes coding for diverse proteins which, by virtue of their high degree of sequence similarity, are believed to have evolved from a single ancestral gene. An example is the immunoglobulin family where the characteristic features of the constant domains are found in various cell surface receptors. (18 Nov 1997) |
| professional-family relations | The interactions between the professional person and the family. (12 Dec 1998) |
| src-family kinases | <enzyme> Family of non-receptor protein-tyrosine kinases homologous to src. They are closely related intracellular enzymes that participate in signal transduction pathways in a variety of haemopoietic cells and especially their surface receptors. Registry number: EC 2.7.1.- (12 Dec 1998) |
| nuclear family | A family composed of husband and wife with their children. (12 Dec 1998) |
| extended family | A group of persons comprising members of several generations united by blood, adoptive, marital or equivalent ties. (05 Mar 2000) |
| extended family therapy | A type of family therapy that involves family members outside the nuclear family and who are closely associated with it and affect it. (05 Mar 2000) |