CRUSTA

(Lat.), n. f. Kru3st(krust)'a3. 1. See CRUST. 2. The external cover or shell in the Mollusca, Crustacea, and certain of the Insect a. 3. Of Nylander, the crustaceous thallus of a lichen. B, 121 (a. 24); L, 116.] C. adamant iii a. The dental enamel. L.] C. carnosa [Bartholin]. Fr., croute charnue. The muscular ayer of the stomach and intestines. [L, 116.1 C. cruris cerebri. The c. of the cerebral peduncle, [a, 18.] C. nbrosa. See CEMENT (2d def.). C. genu equini. Syn.: hippogonyolepos. The crust found upon the knees of horses in the disease known as " knee scab," "horse crust." It was recommended by J. S. Mettauer in the treatment of epilepsy and other nervous diseases. [L, 50, 325.] C. in flamm at or i a. See Buffy COAT. C. lactea. Fr., croute laiteuse (ou de lait), gourme. Ger., Milchborke, Milchschorf. It., crost a latte a. Sp., costra de leche. Milk-crust; an eczematous or seborrhceal eruption on the face or scalp, or both, in infants, in which incrustation is a predominant feature. [A, 326; G.] C. lamellosa. See Lamellated CRUST. C. ollse [Rumphius]. Fr., crusta olle. A name for different Indian plants, among others a Gratiola and an Olden land i a. [B, 121 (a, 24).] C. osteoides (radicis), C. petrosa [Blake]. See CEMENT (2d def.). C. phloglstica, C. pleuritic a. See Buffy COAT. C. pruriginosa. See GUTTA rose a. C. serpiglnosa. Ger.,Flechtengrind. A serpiginous crusted disease of the skin in children, described by Schonlein, the true nature of which is not clearly apparent. According to Schonlein, it often proved fatal. [G. 10.] C. ulcer is. A scab formed on an ulcer. [L, 135.] C. vermicular is. Fr., croute yermiculaire. Of Graaf, the mucous coat of the stomach or of the intestines. [L, 325.] C. villosa. The gastro-intestinal mucous membrane. [Will is (A, 325).] C. villosa ventriculi. The mucous coat of the stomach. [L, 50, 325.] [s. 455]