| ulcus | Synonym: ulcer. Origin: L. (05 Mar 2000) |
|---|---|
| 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 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) |
| 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) |
| macula corneae | A moderately dense opacity of the cornea. Synonym: corneal spot. (05 Mar 2000) |
| vertex corneae | The central part of the cornea, slightly thinner than the peripheral part. Synonym: vertex corneae. (05 Mar 2000) |
| herpes corneae | <ophthalmology, pathology> Inflammation of the cornea (and conjunctiva) due to herpes virus type I, a characteristic finding on physical examination of the eye (cornea) is a dendritic pattern (crystalline or tree-like pattern). (27 Sep 1997) |
| substantia propria corneae | Proper substance of cornea, modified transparent connective tissue, between the layers of which are open spaces or lacunae nearly filled with the corneal cells or corpuscles. Synonym: substantia propria corneae. (05 Mar 2000) |
| ichthyosis corneae | An ocular complication of a congenital abnormality of the skin with corneal keratinization, dryness, and scaling. (05 Mar 2000) |
| epithelium anterius corneae | The stratified squamous epithelium covering the outer surface of the cornea; it is smooth, consists usually of five layers of cells, and contains numerous free nerve endings. Synonym: epithelium anterius corneae. (05 Mar 2000) |
| facies anterior corneae | The external surface of the cornea. Synonym: facies anterior corneae. (05 Mar 2000) |
| facies posterior corneae | The posterior surface of the cornea. Synonym: facies posterior corneae. (05 Mar 2000) |