unipolar

unipolar /uni·po·lar/ (u″nĭ-po´ler)

1. having a single pole or process, as a nerve cell.

2. pertaining to mood disorders in which only depressive episodes occur.

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u·ni·po·lar (yn-plr)

n.

1. Having a single fibrous process. Used of a neuron.

2. Situated at only one extremity of a cell.

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uni·po·lari·ty (-p-lr-t, -p-) n.

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unipolar

[-pō′lər]

Etymology: L, unus, one, polus

pertaining to a nerve cell with only one pole, such as a nerve cell in which the axon and dendrite are fused into a single process a short distance from the cell body.

Unipolar neuron

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unipolar

having a single pole or process, as a nerve cell.

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Patient discussion about unipolar.

Q. Bipolar depression And Unipolar depression Is bipolar depression different from unipolar depression?

A. Yes. These are two different disorders that are distinct in many ways: bipolar appears earlier (20's compared to middle aged), males and females are affected equally (depression is more prevalent among women), family tendency (more pronounced in bipolar) etc. The course is also different: bipolar have manic episodes, while depression includes only depressive episodes.

The treatment is also quite different (lithium and stabilizers for bipolar, SSRI for depression)

You may read more here:
www.nlm.nih.gov/medlineplus/bipolardisorder.html