punch biopsy(redirected from trephine biopsy)
Also found in: Medical.
Related to trephine biopsy: Bone marrow aspiration
dashed rules outline the portion of skin to be removed for biopsy
1. The removal of a small cylindrical specimen of tissue for pathologic study by pressing a circular instrument into the skin or mucous membrane surrounding a lesion.
2. A specimen so removed.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.