acanthoma ac·an·tho·ma (āk’ān-thō’mə, āk’ən-)
n. pl. ac·an·tho·mas or ac·an·tho·ma·ta (-mə-tə)
A tumor composed of epidermal squamous cells.

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    belonging or pertaining to the Acanthopterygii (Acanthopteri), the group of spiny-finned fishes, including the bass and perch. an acanthopterygian fish. Historical Examples acanthopterygian, ak-an-thop-tėr-ij′i-an, adj. having spiny fins. Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various adjective of, relating to, or belonging to the Acanthopterygii, a large group of teleost fishes having spiny […]

  • Acanthorrhexis

    acanthorrhexis acanthorrhexis a·can·thor·rhex·is (ə-kān’thə-rěk’sĭs) n. Rupture of the intercellular bridges of the prickle cell layer of the epidermis, as in contact dermatitis.

  • Acanthosis

    acanthosis acanthosis ac·an·tho·sis (āk’ān-thō’sĭs, āk’ən-) n. pl. ac·an·tho·ses (-sēz’) An increase in the thickness of the prickle cell layer of the epidermis; hyperacanthosis. ac’an·thot’ic (-thŏt’ĭk) adj.

  • Acanthosis nigricans

    acanthosis nigricans acanthosis nigricans acanthosis ni·gri·cans (nī’grĭ-kānz’, nĭg’rĭ-) n. An eruption of velvety wartlike growths accompanied by hyperpigmentation in the skin of the armpits, neck, anogenital area, and groin, occurring in a benign form in children, but associated with internal malignancy or reticulosis in adults.

  • Acanthotic

    acanthotic acanthotic ac·an·thot·ic (ak-an- thot’ik) n. pertaining to or characteristic of acanthosis

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