Protagon

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Protagon (Physiol. Chem) A nitrogenous phosphorized principle found in brain tissue. By decomposition it yields neurine, fatty acids, and other bodies.
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Century Dictionary and Cyclopedia
    • n protagon A phosphureted, fatty, crystalline substance, which forms a chief constituent of nervous tissue. Its composition has been represented by the formula C160H308N5PO35.
    • n protagon Same as lecithin.
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Chambers's Twentieth Century Dictionary
    • n Protagon a nitrogenous substance obtained from the brain and other tissues
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Etymology

Webster's Revised Unabridged Dictionary
Proto-, + Gr. 'agw`n a contest. See. Protagonist. So called because it was the first definitely ascertained principle of the brain
Chambers's Twentieth Century Dictionary
Gr. prōtos, first, agōnistēs, a combatant.