| medulloepithelioma | <tumour> A rare, primitive, rapidly growing intracranial neoplasm thought to originate from the cells of the embryonic medullary canal and hence included with ependymoblastomas by some neuropathologists; ganglion cells and astrocyte maturation have also been reported. Tumours that occur in the ciliary body are referred to as embryonal medulloepithelioma's. Origin: medullo-+ epithelium + -oma, tumour (05 Mar 2000) |
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| adult medulloepithelioma | <tumour> Malignant hyperplasia of ciliary epithelium with frequent involvement of the pigmented layer. Synonym: adult medulloepithelioma. (05 Mar 2000) |
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| embryonal medulloepithelioma | <tumour> An epitheliomatous tumour of the nonpigmented layer of the ciliary epithelium. Synonym: embryonal tumour of ciliary body. (05 Mar 2000) |
| medulloepithelioma |
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