surface biopsy
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Related to surface biopsy: punch biopsy
sur·face bi·op·sy
(sŭr'făs bī'op-sē)A biopsy obtained by detaching cells from a cutaneous or mucosal surface with a spatula, cotton swab, or brush; used to diagnose cervical cancer.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012