A small disc of glycerin jelly, 3 mm (1/8 inch) in diameter, containing an active drug for application to the eye. It is applied by insertion behind the lower lid.
n. (pl. lamellae) 1. a thin layer, membrane, scale, or plate-like tissue or part. In *bone tissue, lamellae are thin bands of calcified matrix arranged concentrically around a Haversian canal. 2. a thin gelatinous medicated disc used to apply drugs to the eye. The disc is placed on the eyeball; the gelatinous material dissolves and the drug is absorbed. —lamellar adj.
mature *bone, in which the collagen fibres are arranged parallel to each other to form multiple layers (*lamellae) with the osteocytes lying between the lamellae. It exists in two structurally different forms: cortical (compact) and cancellous (spongy) bone. See also woven bone.... lamellar bone
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