adenoma
- n a benign epithelial tumor of glandular origin
- Also benign is adenoma, which lines gland-like depressions or cavities in the tissue structure.
- Although the tissue samples proved benign, doctors concluded the polyp was a villous adenoma, so called because of the villi, or finger-like projections visible under a microscope.
- That particular polyp, called adenoma type, is one that, if it is left, begins to develop cancerous cells.