| ulcus hypostaticum | <dermatology> A chronic ulcer that appears in pressure areas in debilitated patients confined to bed or otherwise immobilised, due to a circulatory defect from the enhanced tissue pressure in high-contact areas, often occurring over a bony prominence (for example sacral decubitus). (27 Sep 1997) |
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| ulcus | Synonym: ulcer. Origin: L. (05 Mar 2000) |
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| ulcus ambulans | <dermatology> A rapidly spreading ulcer attended by the formation of extensive sloughing. Synonym: perambulating ulcer, sloughing ulcer, ulcus ambulans. Origin: L. Phagedaena, Gr Phago, To eat. (05 Mar 2000) |
| ulcus cruris | <pathology> Ulcer of the foot (18 Nov 1997) |
| ulcus terebrans | An obsolete term for an invasive basal cell carcinoma, usually around the eye, nose, or ear, and extending to underlying bony tissue. (05 Mar 2000) |
| ulcus venereum | <dermatology> The primary skin lesion of syphilis which begins at the site of infection after an interval of 10-30 days as a papule or red ulcerated skin lesion. (27 Sep 1997) |
| ulcus vulvae acutum | A simple acute ulceration of the vulva or lower vagina of nonvenereal origin. Synonym: ulcus vulvae acutum. (05 Mar 2000) |