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Human anatomy, including structure and development and practical considerations . Bony and cartilaginou- of nose, front aspect. in the vicinity of the nasal are attached to the carti-lage and bone by fibrous tissueand situated beneath the mucousmembrane lining the nasal chief interest is their rela-tion to the rudimentary organof Jacobson (page 1417) belowwhich they lie. In animals inwhich the organs are well devel-oped these cartilages form i)rotect-ing and supporting scrolls ; inman, however, both organ andcartilage are so feebly developedthat thev loose their close r
Human anatomy, including structure and development and practical considerations . Bony and cartilaginou- of nose, front aspect. in the vicinity of the nasal are attached to the carti-lage and bone by fibrous tissueand situated beneath the mucousmembrane lining the nasal chief interest is their rela-tion to the rudimentary organof Jacobson (page 1417) belowwhich they lie. In animals inwhich the organs are well devel-oped these cartilages form i)rotect-ing and supporting scrolls ; inman, however, both organ andcartilage are so feebly developedthat thev loose their close relation. Fig. 1173 Lower lateralcartilage Upper lateralcartilage. Cartilage of tip Lateral crus (V°T,, . , ^lateral crus] cartilage ... Nasal aperture--, Septal cartilage Cartilages of nose, viewed from below. The integument covering the outer nose is in general thin and closely bounddown to the underlying fibrous tissue, being particularly unyielding over the tip andalae. With the exception of within the alee and lateral borders of the nostrils, the PRACTICAL CONSIDERATIONS: THE EXTERNAL NOSE. 1407 fatty tissue is very meai;ie. The sebaceous glands, on the other hand, are welldeveloped and open in many instances in conjunction with the follicles of the delicatehairs that cover all jxuts of the surface. On the aUe the closely placed glands are ofexceptional size and o])en by ducts readily seen as minute de])ressions. Vessels.—In ortler to compensate for the exposed jiosilicjn, the external noseis generously supplied with arfirics, derived chiefly from the facial and ophthalmic,which are united by numerous anastomoses with each other as wel
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Keywords: ., bookauthormc, bookcentury1900, bookdecade1910, booksubjectanatomy