| beta-endorphin |
A substance produced in the brain, especially in the pituitary gland, that blocks the sensation of pain. It is produced in response to pain, exercise, and other forms of stress. It belongs to a group of chemicals called polypeptide hormones.
출처: www.stjude.org/glossary
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| beta particle |
(Or particle.) Physically indistinguishable from the electron (or positron) but usually restricted to products in nuclear reactions (beta decay). The term was coined by Ernest Rutherford, who discovered that the ionizing radiation emitted by uranium consisted of
출처: amsglossary.allenpress.com/glossary/browse
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| beta ray |
(Or beta radiation.) A stream of beta particles; can also mean a single beta particle.
출처: amsglossary.allenpress.com/glossary/browse
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| beta carotene |
a pigment found in orange vegetables and fruits, which the body converts to vitamin A; possibly protects against cancer
출처: www.american-depot.com/services/resources_gl_b.asp
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| beta rhythm |
Neural rhythmic activity (12?5 cycles per second).
출처: www.nature.com/nrn/journal/v2/n4/glossary/nrn0401_...
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