| Meaning | A tumor that is not cancerous. |
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| Synonyms | benign tumour, nonmalignant tumor, nonmalignant tumour, nonmalignant neoplasm |
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| Narrower | adenoma | A benign epithelial tumor of glandular origin |
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| chondroma | A common benign tumor of cartilage cells |
| enchondroma | benign slow-growing tumor of cartilaginous cells at the ends of tubular bones (especially in the hands and feet) |
| fibroma | nonmalignant tumor of connective tissue |
| myoma | A benign tumor composed of muscle tissue |
| myxoma | A benign tumor of connective tissue containing jellylike material |
| neurinoma | tumor (usually benign) of the sheath surrounding a nerve |
| osteoblastoma | benign tumor of bone and fibrous tissue |
| osteochondroma | benign tumor containing both bone and cartilage |
| osteoma | A slow growing benign tumor of consisting of bone tissue |
| papilloma, villoma, papillary tumor, papillary tumour | A benign epithelial tumor forming a rounded mass |
| Broader | tumor, tumour, neoplasm | An abnormal new mass of tissue that serves no purpose |
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| Spanish | tumor benigno |
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| Catalan | tumor benigne |
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