plural acanthomas also acanthomata
-mət-ə 
: a tumor originating in the skin and developing through excessive growth of skin cells especially of the stratum spinosum
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“Acanthoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/acanthoma. Accessed 31 Oct. 2025.
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