| COC | cathodal opening contraction; coccygeal; combination oral contraceptive |
|---|---|
| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
| OCA | oculocutaneous albinism; olivopontocerebellar atrophy; oral contraceptive agent |
| OCH | oral contraceptive hormone |
| OCM | oral contraceptive medication |
naso-oral
| intrauterine contraceptive devices | Devices of plastic or metallic substance inserted into the uterus to prevent conception. (12 Dec 1998) |
|---|---|
| anaesthetics, combined | The use of two or more chemicals simultaneously or sequentially to induce anaesthesia. The drugs need not be in the same dosage form. (12 Dec 1998) |
| antibiotics, combined | Combination of antibiotics used against difficult-to-treat infections. Antibiotic combinations have been used mainly to broaden the antibacterial spectrum and prevent development of resistance. In some instances these combinations have shown lower toxicity, but drug antagonism may be one of the problems encountered by their use. They may be given simultaneously or sequentially. The drugs need not be in the same dosage form. (12 Dec 1998) |
| antineoplastic agent, combined | The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. (12 Dec 1998) |
| vaccines, combined | Two or more vaccines in a single dosage form. (12 Dec 1998) |
| combined cycle | Two or more generation processes in series or in parallel, configured to optimise the energy output of the system. (05 Dec 1998) |
| combined-cycle power plant | The combination of a gas turbine and a steam turbine in an electric generation plant. The waste heat from the gas turbine provides the heat energy for the steam turbine. (05 Dec 1998) |
| combined fat-and carbohydrate-induced hyperlipaemia | Hyperlipoproteinaemia characterised by increased plasma levels of chylomicrons, VLDL, pre-beta-lipoproteins, and triglycerides, and slight rise of cholesterol on a normal diet, with beta-lipoproteins normal; may be accompanied by bouts of abdominal pain, hepatosplenomegaly, susceptibility to atherosclerosis, and abnormal glucose tolerance; probably autosomal recessive inheritance. Synonym: combined fat-and carbohydrate-induced hyperlipaemia, familial hyperchylomicronaemia with hyperprebetalipoproteinaemia, mixed hyperlipaemia. (05 Mar 2000) |
| combined glaucoma | Glaucoma with angle-closure and open-angle mechanisms in the same eye. (05 Mar 2000) |
| combined heat and power | An older term for what is now generally called cogeneration. The term is currently used in Europe and other foreign countries. (05 Dec 1998) |
| combined immunodeficiency | <immunology> Congenital immunodeficiency with thymic agenesis, lymphocyte depletion and hypogammaglobulinaemia: both cellular and humoral immune systems are affected and life expectancy is low unless marrow transplantation is successful. (18 Nov 1997) |
| combined immunodeficiency syndrome | <syndrome> A serious primary immunodeficiency affecting both T and B-cells. (05 Mar 2000) |
| combined modality therapy | <oncology> Two or more types of treatments used to supplement each other. For instance, surgery, radiation, chemotherapy, hormonal or immunotherapy may be used alternatively or together for maximum effectiveness. (09 Oct 1997) |
| combined pregnancy | Coexisting uterine and ectopic pregnancy. (05 Mar 2000) |
| combined sclerosis | A subacute or chronic disorder of the spinal cord, such as that occurring in certain patients with vitamin B12 deficiency, characterised by a slight to moderate degree of gliosis in association with spongiform degeneration of the posterior and lateral columns. Synonym: combined sclerosis, combined system disease, funicular myelitis, Putnam-Dana syndrome, vitamin B12 neuropathy. (05 Mar 2000) |