| monomorphic | <biology> Having but a single form; retaining the same form throughout the various stages of development; of the same or of an essentially similar type of structure; opposed to dimorphic, trimorphic, and polymorphic. Origin: Mono- + Gr. Form. Source: Websters Dictionary (01 Mar 1998) |
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| monomorphic adenoma | <tumour> A benign ductal neoplasm of the salivary glands, with a uniform epithelial pattern and lacking the chondromyxoid stroma of a pleomorphic adenoma. (05 Mar 2000) |