| annular scleritis | An often protracted inflammation of the anterior portion of the sclera, forming a ring around the corneoscleral limbus. (05 Mar 2000) |
|---|---|
| annular scotoma | A circular scotoma surrounding the centre of the field of vision. See: ring scotoma. (05 Mar 2000) |
| annular sphincter | A short thickening of circular muscular fibres, similar to a ring; a ring-shaped sphincter as opposed to a segmental sphincter. (05 Mar 2000) |
| annular staphyloma | A staphyloma extending around the periphery of the cornea. (05 Mar 2000) |
| annular stop | <microscopy> The opaque ring-shaped stop with a small central opening usually placed in the objective back focal plane to provide dispersion staining. (05 Aug 1998) |
| annular stricture | A ringlike constriction encircling the wall of a canal. (05 Mar 2000) |
| annular synechia | Adhesion of the entire pupillary margin of the iris to the capsule of the lens. (05 Mar 2000) |
| Gerlach's annular tendon | fibrocartilaginous ring of tympanic membrane |
| acneform syphilid | A type of pustular eruption occurring in secondary syphilis. Synonym: acne syphilitica, acneform syphilid, ecthymatous syphilid, impetiginous syphilid, varioliform syphilid. (05 Mar 2000) |
| acuminate papular syphilid | Secondary eruption of small follicular papules, usually appearing as groups of lesions. Synonym: acuminate papular syphilid, lichen syphiliticus, miliary papular syphilid. (05 Mar 2000) |
| bullous syphilid | A rare manifestation of congenital syphilis. Synonym: pemphigoid syphilid. (05 Mar 2000) |
| macular syphilid | Usually the first eruption of syphilis, occurring 6 to 12 weeks after the initial lesion. Synonym: erythematous syphilid, macular syphilid. (05 Mar 2000) |
| varioliform syphilid | A type of pustular eruption occurring in secondary syphilis. Synonym: acne syphilitica, acneform syphilid, ecthymatous syphilid, impetiginous syphilid, varioliform syphilid. (05 Mar 2000) |
| papular syphilid | See: follicular syphilid, lenticular syphilid. Papulosquamous syphilid, scaling papules of secondary syphilis. (05 Mar 2000) |
| pemphigoid syphilid | A rare manifestation of congenital syphilis. Synonym: pemphigoid syphilid. (05 Mar 2000) |