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  • Bipolar cell
    Bipolar cell
    As a part of the retina, the bipolar cell exists between photoreceptors and ganglion cells. They act, directly or indirectly, to transmit signals from the photoreceptors to the ganglion cells.-Overview:...

  • Bipolar cell of the retina
  • Bipolar disorder
    Bipolar disorder
    Bipolar disorder or bipolar affective disorder, historically known as manic–depressive disorder, is a psychiatric diagnosis that describes a category of mood disorders defined by the presence of one or more episodes of abnormally elevated energy levels, cognition, and mood with or without one or...

    • Bipolar I disorder
      Bipolar I disorder
      Bipolar I disorder is a mood disorder that is characterized by at least one manic or mixed episode. There may be episodes of hypomania or major depression as well...

    • Bipolar II disorder
      Bipolar II disorder
      Bipolar II disorder is a bipolar spectrum disorder characterized by at least one hypomanic episode and at least one major depressive episode; with this disorder, depressive episodes can be more frequent and are more intense than hypomanic episodes...

    • Bipolar NOS
      Bipolar NOS
      Bipolar disorder NOS is a diagnosis for bipolar disorder when it does not fall within the other established sub-types Sub-types of bipolar are part of the bipolar spectrum. Bipolar NOS is described as drastic changes in mood, it is considered a mood disorder.This disorder usually occurs during...

  • Bipolar spectrum
    Bipolar spectrum
    The bipolar spectrum refers to a category of mood disorders that feature abnormally elevated or depressed mood. These disorders range from bipolar I disorder, featuring full-blown manic episodes, to cyclothymia, featuring less prominent hypomanic episodes, to "subsyndromal" conditions where only...


  • Bipolar nebula
    Bipolar nebula
    A bipolar nebula is a distinctive nebular formation characterized by an axially symmetric bi-lobed appearance.Many, but not all, planetary nebulae exhibit an observed bipolar structure...

    , a two-lobed, axially symmetric nebula
  • Bipolar outflow
    Bipolar outflow
    A bipolar outflow represents two continuous flows of gas from the poles of a star. Bipolar outflows may be associated with protostars , or with evolved post-AGB stars ....

    , outflow of ejected materials from both poles of a star


  • Bipolar electricity transmission
  • Bipolar encoding
    Bipolar encoding
    In telecommunication, bipolar encoding is a type of line code . A duobinary signal is such an encoding.- Advantages :...

  • Bipolar electric motor
    Bipolar electric motor
    A bipolar electric motor is an electric motor with only two poles to its stationary field. They are an example of the simple brushed DC motor, with a commutator. This field may be generated by either a permanent magnet or a field coil....

    • Bi-Polar (locomotive), a locomotive using a bipolar electric motor
  • Bipolar signal
    Bipolar signal
    In telecommunication, a bipolar signal is a signal that may assume either of two polarities, neither of which is zero.A bipolar signal may have a two-state non-return-to-zero or a three-state return-to-zero binary coding scheme....

  • Bipolar violation
    Bipolar violation
    A bipolar violation, bipolarity violation, or BPV, is a violation of the bipolar encoding rules where two pulses of the same polarity occur without an intervening pulse of the opposite polarity. This indicates an error in the transmission of the signal.T-carrier and E-carrier signals are...


  • Bipolar junction transistor
    Bipolar junction transistor
    |- align = "center"| || PNP|- align = "center"| || NPNA bipolar transistor is a three-terminal electronic device constructed of doped semiconductor material and may be used in amplifying or switching applications. Bipolar transistors are so named because their operation involves both electrons...

  • Heterojunction bipolar transistor
    Heterojunction bipolar transistor
    The heterojunction bipolar transistor is a type of bipolar junction transistor which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it that can handle signals of very high frequencies, up to several hundred...

  • Insulated-gate bipolar transistor (IGBT)


  • Bipolar coordinates
    Bipolar coordinates
    Bipolar coordinates are a two-dimensional orthogonal coordinate system. There are two commonly defined types of bipolar coordinates. The other system is two-center bipolar coordinates. There is also a third coordinate system that is based on two poles . The first is based on the Apollonian circles...

    , a type of orthogonal coordinates based on the Apollonian circles
  • Polar set, sometimes called a bipolar set, is the polar of a polar set

Political science

  • Bipolarity: A situation in which two states have the majority of economic, military, and cultural influence internationally or regionally


  • Bi-Polar (Vanilla Ice album)
  • Bipolar (Up Dharma Down album)
    Bipolar (Up dharma Down Album)
    Bipolar is the second album from the Filipino independent band Up dharma Down.-Track listing:#"Blessed" - 5:11#"Clockwork" - 4:59#"Delayed Breathing" - 0:33#"All Year Round" - 4:13#"Taya" - 3:35...

  • Bipolar (El Cuarteto de Nos album)
    Bipolar (El Cuarteto de Nos album)
    Bipolar is the 12th album by Uruguayan rock band El Cuarteto de Nos released on September 17, 2009.-Tracklisting:This information adapted from Allmusic....