Glossary B

Biopsychosocial Theories refer to theories based on the assumption that biological, psychological, and social factors all influence the development of mental disorder.

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Deutsch: Bioterrorismus / Español: Bioterrorismo / Português: Bioterrorismo / Français: Bioterrorisme / Italiano: Bioterrorismo

Bioterrorism refers to the intentional or threatened use of viruses, bacteria, fungi, or toxins from living organisms to produce death or disease in humans, animals, or plants.

Bipennate refers to a type of pennate muscle with fibers running obliquely on both sides from a central tendon, such as the rectus femoris and flexor hallucis longus.

Biphobia refers to strongly negative attitudes toward bisexuals and bisexuality.

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Bipolar cell refers to a type of neuron in the retina that receives input directly from the receptors

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Bipolar cells are nerve cells in the visual system that combine impulses from many receptors and transmit the results to ganglion cells; retinal neurons that receive inputs from the visual receptors and send signals to the retinal ganglion cells. Bipolar cells make dual connections forward and outward to the ganglion cells, as well as backward and inward to the third layer of retinal cells

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Bipolar Disorder refers to a a mood disorder characterized by severe alterations in mood which are usually episodic and recurrent.

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Bipolar Disorder (BP) refers to a type of mood disorder characterized by an ongoing combination of extreme highs and extreme lows. An episode of mania is an abnormally elevated or expansive mood, and feelings of euphoria are an exaggerated sense of well-being. The highs may alternate with lows, or both extremes may be felt at about the same time.