Actinic granuloma

actinic granuloma

actinic granuloma n.
An annular eruption on sun-exposed skin that microscopically shows phagocytosis of dermal elastic fibers by giant cells and histiocytes.


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  • Actinide

    any element of the . noun a member of the actinide series Also called actinon actinide ac·ti·nide (āk’tə-nī’d) n. Any of a series of chemically similar radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). actinide (āk’tə-nīd’) Any of a series of chemically similar metallic elements with atomic numbers ranging from 89 […]

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    the series of radioactive elements that starts with actinium and ends with lawrencium. noun a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium

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