Manual of human histology . ossus ends upon the upper surface of the tongue, in such amanner, that its primitive bundles, immediately beneath themucous membrane, are continuous, in groups, with little tendi-nous streaks of connective tissue, which then partly become lostin the deeper, very firm layer of the mucous membrane, to bedescribed presently, and partly run as far as the bases of thepapillae. At the root of the tongue, the genio-glossus does notreach so far as the mucous membrane, which may here be easilydissected away, with its mucous sacs, from the more deeply Fig. 169. Longitudinal s
Manual of human histology . ossus ends upon the upper surface of the tongue, in such amanner, that its primitive bundles, immediately beneath themucous membrane, are continuous, in groups, with little tendi-nous streaks of connective tissue, which then partly become lostin the deeper, very firm layer of the mucous membrane, to bedescribed presently, and partly run as far as the bases of thepapillae. At the root of the tongue, the genio-glossus does notreach so far as the mucous membrane, which may here be easilydissected away, with its mucous sacs, from the more deeply Fig. 169. Longitudinal section of the liuraan tongue, nat. size; the outlines afterArnold Icon. org. {sens.); , genio-hyoideus; h, hyoid bone; g, genio-glossus;g, glosso-epiglotticus; tr, iransversus Ihiguce ; , longitudinalis superior; e, epi-glottis; m, maxilla inferior ; d, incisor tooth ; o, orbicularis oris ; , levator menti;I, glandulce labiates ; f,folliculi linguales ; gl, glandulce Unguales cum ductibus. 10 SPECIAL HISTOLOGY. situated racemose glands, but ends upon and between the latter, uniting with them, or with a dense fibrous tissue between them, by means of tendinous strise. The transverse muscle or the transverse fibres of the tongue {transversus lingucB slvefihrce transversales, fig. 169, tr., 170, tr., 171, g), consists of very numerous lamella belonging to each half of the 170. , . , ^ ^ ^. jwhich penetrate with great regularity be-tween the transverselamell(B of the genio-glossus, and are to be//-/ found in all sectionsof the organ. Eachlamella is 0*1 —0-16 thick, and inthe middle of thetongue I deep; it isusually perpendicu-lar, and its muscular fibres extend from the septum linguae tothe lateral border of the tongue. They arise, so to say, directlyfrom the whole surface of the septum, by the intermediationof a small quantity of a transverse tendinous tissue, distinctfrom its longitudinal fibres, and pass, united into smallflat bundles, at first, direct
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Keywords: ., bookcentury1800, bookdecade1850, booksubjecthistolo, bookyear1853
