THE NETWORK OF A CAVERNOUS ANGEIOMA OF THE LIP

MAGNIFTED 350 DIAMETERS. (AFTER BILLROTH.) - angiome caverneux, Ger., cavernäses Angiom, It., Sp., angioma caver no so. Syn.: erectile tumor [Dupuytren], nevus vascular is tuberosus, pulsating nevus, cavernous venous tumor, Ana. made up of large blood-ve els and containing cavernous spaces separated from each other by trabeculæ and communicating by means of ve els of various sizes. They are more dusky in color than a simple a., and often present a distinct thrill or bruit. They may be encapsuled or diffuse; if diffuse, they have a great tendency to involve neighboring structures. [R. J. Godlee (A, 364).] Their structure closely resembles that of the corpus eavernosum of the penis, originating chiefly from distended veins, [A, 365,]—Circumscribed a. Lat., a. cir cum scrip tum. See Cavernous a.—Congenital a. - ‘THE VESSELS OF A PLEXIFORM ANGEIOMA, MAGNIFIED 60 DIAMETERS, (AFTER BILLROTH.) «a, proliferating vascular network around a sweat-gland (the latter not shown); B, à like network in the papillæ of the oral mucous membrane. Lat., a. congenitum. See Navus.—Fi ural a. Lat., a. fi urate. Ger., ona Bea A term employed by Virchow to denote a nevus which, as he conjectures, may, from its corresponding in situation to that of a foetal fi ure, be due to a disposition to the development of anomalies in the parts adjacent to the fi ures. [O. Simon (A, 819).J-Flata. Ger., fldchenhaftes Angiom. It., anioma piano. Syn.: nevus teleangeiectodes simplex, wine-mark. e Nævus —Lipogenous a. See Tuberose _a,-—Lymphaüc a. Lat., a. lymph at i cum. Fr., angiome lymph at i que. Ger., lymphatisches Angiom. It., angioma linfatico. See LYMPHANGEIOMA.— Plexiform a. Lat., a. plex i for me. The most common form, consisting entirely of dilated and tortuous capillaries, generally situated in the skin. If there is an extensive formation of new ve els the neoplasm presents the characters of a tumor; otherwise it constitutes little more than a spot or patch of discolored skin, the color varying from that of claret to a dark cherry or steel blue. In rare instances there is ca a diffuse redne . Large angeiomata of this variety are lobular in structure, the lobules ele formed by the ve els of the sweat-glands, hair-follicles, fat glands, and fat-lobuli. [A, 365.]—Racemose arterial a. Lat., &. arteriale racemosum. Ger., Rankenangiom. See Cirsoid AN- EURYsM.—Simple a, _ Lat., a. simplex. Fr., angiome sim le. Ger., einfaches Angiom. It., angioma semplice. See Plexiform a.— Tuberose a., Tuberous a. Lat., @. simplex lipoma to des. Ger., geschwulstférmiges Angiom. It., angioma tuberoso. A subcutaneous variety which, as it gradually replaces the anitoee lobes, acquires a certain resemblance to a lipoma; it may al be accompanied by a true lipomatous growth. [A, 314.]—Varicose a., Venous a. Lat., a. varicosum (seu venosunr). Cavernous a.