| mixed opioid agonist-antagonist | <pharmacology> A compound that has an affinity for two or more types of opioid receptors and blocks opioid effects on one receptor type while producing opioid effects on a second receptor type. (13 Nov 1997) |
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| mixed paralysis | Combined motor and sensory paralysis. (05 Mar 2000) |
| mixed sleep apnoea | <chest medicine> A form of sleep apnoea where there is exists a combination of obstructive and central sleep apnoea syndromes. (13 Nov 1997) |
| mixed thrombus | A laminated thrombus, the layers of different ages being of different colour or consistency. Synonym: stratified thrombus. (05 Mar 2000) |
| mixed tide | <ecology, marine biology> Tidal cycle in which there are usually two high and two low tides during a day. (13 Nov 1997) |
| mixed tumour | A tumour composed of two or more varieties of tissue. (05 Mar 2000) |
| mixed tumour, malignant | A malignant tumour composed of more than one type of neoplastic tissue. (12 Dec 1998) |
| mixed tumour, mesodermal | A sarcoma of the body of the uterus arising in older women, composed of more than one mesenchymal tissue, especially including striated muscle cells. It is associated with previous pelvic radiation exposure in 20% of patients. (12 Dec 1998) |
| mixed tumour, mullerian | A tumour, basically a carcinoma with a single sarcoma such as leiomyosarcoma or angiosarcoma or multiple sarcomas of uterine origin. The role of oestrogen has been postulated as a possible aetiological factor in this tumour. (holland et al., cancer medicine, 3d ed, p1703) (12 Dec 1998) |
| mixed tumour of salivary gland | A tumour composed of salivary gland epithelium and fibrous tissue with mucoid or cartilaginous areas. Synonym: pleomorphic adenoma. (05 Mar 2000) |
| mixed tumour of skin | <tumour> A benign tumour of sweat glands with a mucoid stroma showing cartilaginous metaplasia. Synonym: mixed tumour of skin. (05 Mar 2000) |
| dentition, mixed | The complement of teeth in the jaws after the eruption of some of the permanent teeth but before all the deciduous teeth are absent. (12 Dec 1998) |
| lymphoma, mixed-cell | Malignant lymphoma characterised by the presence of a mixed population of cells, with the smaller cells resembling lymphocytes and the larger ones histiocytes. It usually presents in a nodular (follicular) pattern, but may evolve into a diffuse pattern. (12 Dec 1998) |
| lymphoma, mixed-cell, diffuse | A heterogeneous group of intermediate-grade lymphomas of mixed cellular composition. Although they have not been extensively studied, it appears that they are predominantly B-cell diseases. (12 Dec 1998) |
| lymphoma, mixed-cell, follicular | A low-grade malignant lymphoma of follicular pattern in which there is no clear preponderance of one cell type (small or large) over another. The large cells, cleaved or noncleaved, are often 2-3 times larger in diameter than normal lymphocytes. (12 Dec 1998) |