| acral | Relating to or affecting the peripheral parts, e.g., limbs, fingers, ears, etc. Origin: G. Akron, extremity (05 Mar 2000) |
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| acral lentiginous melanoma | <tumour> A form of malignant lentigo melanoma that occurs in acral areas not excessively exposed to sunlight and where hair follicles are absent. (05 Mar 2000) |