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Show Part ll. CHAP. 0f the Stomach. 2 67‘ cciveth Aliment, and in its right Orifice to the Duodezmm, into which, as into a Receptacle, the Chylc and the groifer Exerements are tranfmitted : 'I he Stomach extended, is endued with an oblong and round Figure, Where.by it is rendred more capable to retain the greater quantity of Meat and Drink1 and its outward Surface convene, and its inward Concave, and is oblong and round, and more Protuberant in the left fide, which being con- XVII. 0f the Stomach. tracted by various Fibres, more eafily pretfeth the contents of the Stomach, fied with Red, and White, with the Vermilion confines of the Lips, and , toward the right Orifice. The Subiiance, the chief integral of the Structure, relating tolhe StoThe "mam , _ of the 5m. mach, is compofcd of many Coats, finely feared Within each other: The firfl machis variis Membranous,confifting of many Well fpun Filaments,making their progrefs hiicsaiiiiiiiihg: Ivory rows of various Teeth, anfwering each other in Symmetry of parts, in proportions agreeing in Shape and Size 3 and is Arched above with the immure the Carnous Fibres within their foft embraces, and thereby keep b""°"5' Roof of the Palate, and graced below with the moveable Area of the Tongue ( all befet with variety of Minute Glands) as {0 many Inflruments of Speech, Tafting, and Maltication, for the Comminution of Aliment, to them from fiarting out of their proper places. in violent Contractions up. on which account, the Fibres of the outward Tunicle do not only pafs in right, long, parallel Lines, but alfo in fliort and oblique Lines, and accord~ Have defcribcd the parts relating to the fine Apartiment of the Mouth,in I which we treat our felves with Delicate Fare, and others with Pleafant Language and Mufick, as in an elegant Room of Entertainment, beauti- imprrgnate it with Salival Liquor, as a Fermentative Meufiruum, to give it inn to the various furface of the outward Coat, the Fibres have fometimes a the iii-ft rudiment of Concoétion -,, and afterward the broken Aliment is conveyed through the long entry of the Gulet, into the larger room of the Stomach, to improve it with a farther Digefiion. Whereupon, having handled the parts of the Mouth and Gulet, as Am- long and {iraight Courfe 1‘, and othertimes a [hurt and oblique, and are more inn-7 Fig-2, bularory to the Ventritle; my Province at this time, is to Treat of its Situation, Connexion, and Stru&ure, in reference to Adam ( and other Animals) and of its Appe irive, Retentive, and Expulfive Faculty; and alfo of its Serous and Nerxous Ferments, as they are minilterial to Chyliiication, for which ufeful Operation, the Stomach and all its Funéiions are principally, if not wholly inftituted by Nature. The Situation of the SUmach. The Ventricle is lodged in the upper part of the lower Apartiment, and the greater portion of it is placed in the left Hypotonder, or Side, and in fome part it refieth upon the Spine, and toward the right part it groweth lefs and leis, to give way to the Liver; to its left fide the Spleen is fai'tned, and to its bottom, according to its whole length, the Caul is aflixed, and the hinder part of it is lodged upon the Pancreas, as upon a foft Pillow. The Stomach is united and affixed to the neighbouring parts, by firm Connexion to fecure it in its proper Station, and is continued in its left Orifice The Figure of the Stomach when full. is fomtwhat like a Bagd'iye. thick and asit were flefhy about the Orifices, and both Extreamities of the M' Stomach, to be as it were Auxiliary Sphiné'ters, to {but up the Orifices of the Ventricle, which is chiefly performed by the Carnous Fibres of the fe. coud Coat. ‘ And the Membranous Coat, is not only befet with feveral Fibres, but alfo Enameled with great variety of Blood Veffcls, fpotting themfelves in different manners; the greateft defcend in numerous Trunks and Ramulets, from the top toward the bottom, and other afcend from the bottom toward the top, and are much lefs in Dimenfion then the other. The fecond Coat of the Stomach, is much thicker then the outward, con- 7‘" f"°"d ' l fifiing of divers rows of Carnous Fibres, of which thofe that encompafs the $y§§xélm Convex and outward Surface, are called Tranfverfe 1-, as they pafs Crofs- fighyflbttir.‘ ways, and interfeé‘t the firaight Fibres of the firft Coat in right Angles: Thefe Fibres feared in the outward furface of the fecond Coat of the Ventricle, may be called Annular, as they encircle the whole Circumference or the htomach. And other rows of Carnous Fibres may be feen if the Ventricle be opened, and the inward furface, which is naturally Concave, be turned outward, and to the Gulet, by whofe mediation it is faltned to the Midrifi, and is conjoyn- rendred Convex; and the Stomach being boiled in this pofiure, and the ed in its right Orifice to the Duadenum, and by the interpofition of the Caul Glandulous and Nervous coverings being taken OE; the Carnous Fibres appear, which in their origen about the left Orifice. run a little fpace in right, is tied to the Liver, Back, Spleen, Colon, and Pancreas. Under the notion of Struéiure, the Magnitude, Figure, and fubliance of '[ he Magnitude of the stomach. the whole length of the Stomach, from the left to the right Orifice, and do fififjm'fijc :I‘7'F'g‘ " ,32:213:15? impugn inliitriiircsn.‘ and afterward make their progrcfs in Oblique Lines, the whole length of . the Stomach, may feem to be comprifed. The Dimenfions of Mans Ventricle, if compared with thofe of other Ani- the top of the Stomach to the @ylorm‘. A fecond fort of Carnous Fibres are 35.5%: feared in the Concave, and inward furface of the Carnous Coat of the Ven- :jfa‘éi‘ggfigh, mals, are finall, becaufe Humane Bodicsare fed with Fleih, and other high Nutriment, which are delicate and great in Vertue, and fmall in Built, and :50 quickly gratifie the Appetite, and refrefh the Body, which needeth not [11011 a great extent of Stomach, as is requilite in other Animals, when fed upon 3 tricle, and do begin below the upper Fibres, and make their progreis ob- Ff'rbcrrcvir'aradlif liquely Crofsways towards the bottom of the Stomach, wheeling in their burns. Beyil Lines tOWard theleft Orifice and Origen. lower nouriihment of Plants, which arife to a great Bulk, to farisfie the Appetite of Brurts, and to repair the decays of Nature in the large bodies of Bullocks, HQthS, Aifes, Mules, (9%. The Stomach, when extended with Meat, Drink, or Wind fomewhat refembleth a Bag-pipe in Figure, when it is blown up; and as the Ventricle is adjoyned in its left Orifice to the Quiet, by which, as by :1 Pipe, it re- ceiveth So that the fecond Coat of the Stomach is laced with various ranks of Car- nous Fibres, which are pleafant to behold, and fpeak the great Contrivance of the Architect, and have feveral motions, to draw the Stomach into va_ riety of poitures, fubfervient to divers ufes. The Fibres feared in the Con- 31:3g;",‘,:‘, Vex furface of the Ventricle being Circular, and running on each fide Crofs- figfigsm' ways, do narrow the Cavity of the Stomach in depth; and if thefe Annu- depthlar Fibres do begin their motions about the right Orifice, and bottom of the Stomach, and move fucceflively, they throw its contents toward its Origen and the Gulet. Z22 And |