| bipolar illness | <psychiatry> Perviously referred to as manic depressive illness, characterised by the occurrence of mania (euphoria) alternating with bouts of depression. (19 Jan 1998) |
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| bipolar lead | A record obtained with two electrodes placed on different regions of the body, each electrode contributing significantly to the record; e.g., a standard limb lead. (05 Mar 2000) |
| bipolar neuron | A neuron that has two processes arising from opposite poles of the cell body. (05 Mar 2000) |
| bipolar psychosis | A mental disorder characterised by one or more episodes of mania (manic depression) which is usually accompanied by one or more episodes of depression (major depressive episode). See: endogenous depression, manic-depressive. (05 Mar 2000) |
| bipolar taxis | An obsolete term for repositioning of a retroverted uterus by making traction on the cervix in the vagina, and pushing up the fundus by the finger in the rectum. (05 Mar 2000) |
| bipolar version | Turning of the baby in utero, performed by the hands acting upon both extremities of the foetus; it may be external version or combined version. Synonym: bipolar version. (05 Mar 2000) |
| midget bipolar cells | Bipolar cell's in the inner nuclear layer of the retina that synapse with individual cone cell's in the outer plexiform layer; other larger bipolar cell's in the inner nuclear layer synapse with both rod and cone cell's; the axons of both types synapse in the inner plexiform layer with the dendrites of the ganglion cell's. (05 Mar 2000) |
| depression, bipolar | Formerly called manic- depressive illness. Not nearly as prevalent as other forms of depressive disorders, bipolar disorder involves cycles of depression and elation or mania. Sometimes the mood switches are dramatic and rapid, but most often they are gradual. When in the depressed cycle, you can have any or all of the symptoms of a depressive disorder. When in the manic cycle, any or all symptoms listed under mania may be experienced. Mania often affects thinking, judgment, and social behaviour in ways that cause serious problems and embarrassment. For example, unwise business or financial decisions may be made when an individual is in a manic phase. Bipolar disorder is often a chronic recurring condition. (12 Dec 1998) |
| disease, bipolar | A type of depressive disease, formerly called manic-depressive illness. Not nearly as prevalent as other forms of depressive disorders. Bipolar disorder involves alternating cycles of depression and elation or mania. Sometimes the mood switches are dramatic and rapid, but most often they are gradual. Mania often affects thinking, judgment, and social behaviour in ways that cause serious problems and embarrassment. For example, unwise business or financial decisions may be made when an individual is in a manic phase. Bipolar disorder is often a chronic recurring condition. (12 Dec 1998) |
| familial bipolar mood disorder | <psychiatry> Bipolar mood disorder commonly inherited as an autosomal dominant trait and also occasionally as an X-linked one. (05 Mar 2000) |