A text-book on diseases of the ear, nose and throat . cle, and(2) those that originate from andterminate in the cartilage. Sl-ui of the Auricle.—The skin onthe convex surface of the auricle is soconnected by elastic fibres to the carti-lage as to be somewhat movable uponthe latter. On the concave or anteriorsurface the skin is bound firmly andimmovably to the distribution of fat also variesgreatly. In the cymba concha, in thedeepest i^ortions of the concha propria,on the lower crus helicis, the apex ofthe fold of the anthelix, and inner sur-face of the tragus fat is entirely
A text-book on diseases of the ear, nose and throat . cle, and(2) those that originate from andterminate in the cartilage. Sl-ui of the Auricle.—The skin onthe convex surface of the auricle is soconnected by elastic fibres to the carti-lage as to be somewhat movable uponthe latter. On the concave or anteriorsurface the skin is bound firmly andimmovably to the distribution of fat also variesgreatly. In the cymba concha, in thedeepest i^ortions of the concha propria,on the lower crus helicis, the apex ofthe fold of the anthelix, and inner sur-face of the tragus fat is entirely is, however, a sparse distributionof fat on both slopes of the fold of theanthelix in the fossa navicularis, thefossa triangularis, and in the rest of theterritory of the concha i)ropria. How-ever, the subcutaneous connective tissueof the convex surface contains numer-ous fat racemes. Fat is especiallyabundant in the lobule. The epidermisand cutis of the convex surface of theauricle are similar to those of the neigh-boring Auricle of a man. (G. Schwalbe.) ab,auricular base; ahc, auricular triangle; c,Darwinian point; 1, crus helicis; 2, 2, as-cending anterior upper helix ; 3, descendingposterior helix; 4, lobule of the auricle; 5,trunk of the anthelix ; 6, inferior crus of theanthelix; 7, superior crus of the anthelix;8, antitragus; 9, tragus; 10, supratragic tu-bercle ; 11, anterior sulcus of the auricle (in-cisura tragohelicina) ; 12, Intertragie in-cisure ; 13, retrolobular tubercle of His; 14,posterior sulcus of the auricle (incisura ant-helicis) ; 15, helicolobular sulcus ; 16, supra-lobular sulcus ; 17, fossa navicularis, or sca-phoidea; 18, fossa triangularis; 19, cymbaconchse; 20, cavity of the concha; 21, retro-lobular sulcus. Delicate hairs withaccomi^anying sebaceous glands, as well as small sweat-glands, are scat-tered over this surface. On the concave surface the skin is much moredelicate, and the epidermis very thin. Papillary elevation
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Keywords: ., bookcentury1900, bookdecade1900, bookidtextbookondi, bookyear1901
