The laws and mechanics of circulation, with the principle involved in animal movement . roximated in therelaxed condition, so as to form a transverse fissure, but inerection they are expanded, presenting a funnel-shaped open-ing (Fig. 203), with the lower lip extended and curving a littleupward. The opening is also supplied with an orbicular mus-cle, which would explain the opening and closing of the lipsfor seizing the insect, while the glutinous secretions for lubri-cating the parts would cause it to adhere. Finally, a thin,muscular layer (hyo-glossus), composed of longitudinal fibres, 4fr6
The laws and mechanics of circulation, with the principle involved in animal movement . roximated in therelaxed condition, so as to form a transverse fissure, but inerection they are expanded, presenting a funnel-shaped open-ing (Fig. 203), with the lower lip extended and curving a littleupward. The opening is also supplied with an orbicular mus-cle, which would explain the opening and closing of the lipsfor seizing the insect, while the glutinous secretions for lubri-cating the parts would cause it to adhere. Finally, a thin,muscular layer (hyo-glossus), composed of longitudinal fibres, 4fr6 DUALISM DEMONSTKATED. extends the whole length of the organ upon the lateral aspects(one on either side) ; while a large nerve courses on top of it toreach the head of the organ. The sheath corresponding with the mucous membrane isformed of white fibrous tissue, the fibres also decussating at va-rious angles, some running transversely, others longitudinally.(There is a difference of opinion in regard to the histologicalcharacter of some of these fibres, which are believed, on the IN. Fig. 202.—Tongue of Chameleon.—Cyclopaedia of Anatomy ; Art. Tongue. H. HydeSalter. A, retracted ; B, elongated ; C, seen from beneath, in situ, by incision andseparation of the integument ; a, anterior portion, dome shaped ; b, posterior portion : c, upper lip of tongue ; b, lower lip of tongue ; e, genio-hyoid muscle ; /, cerato-maxillary muscle ; g, sterno-hyoid muscle ; h, cerato-sternal muscle ; i, omo-hyoidmuscle ; k, apex of greater cornua of hyoid bone. part of some, to be unstriped muscle elements; but sincenervous force is not limited in its action to the muscles, itneed not concern us.) Thus constituted, the organ is made toride to and fro, forward and backward, by the action in thegenio-hyoid (A, e) and omo-hyoid (g) muscles, while it israised or lowered by means of guy-muscles (h,f) attached tothe cornua (Jc) of the hyoid bone for aiming it at the object—much in the manner of a c
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Keywords: ., bookcentury1800, bookde, booksubjectblood, booksubjectrespiration
