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Show 0f the [QdMyL 47+ Book I. Part III, when opprell‘ed with violent pain, proceeding from the Front grating its \icllt'ls. The Figure belonging to the Kidneys of Man, have much affinity with that of other Animals: Aurel/r judgeth them to be like the thiieh's; from which (as l conceive) they differ in breadth and erookednt-ll. thfllfifiongciveth them to be round, which is very imperfefi, and do more truly referrible in lhape the Seeds of Mandrakes, or Kidney-Beans, though not iexaclly, by realon the Beans aremore ihort in length, and round in point of Cit. cumferenee. The liirface of the Kidneys, is outwardly Convex, and Crooked, and more The fuszLC of th: ltru'ntys. inwardly fomew hat Concave, near the ingrels and egrefs of Arteries and Veins: Their futface alfo is even in Perfons of mature Age, wherein all the lnterftices of the Globules are filled up; but in Fin/"ya, the Kidneys are rendred unequal in their Surface, as they are compoled of various Protu- berancies (dull-rent in Shape and Magnitude) which feem to be f0 many Kidneys, integrating the body of the Kidneys, which much refemble the Kidneys of other Animals, as Calves, Ste. The Kidneys are clothed with a double iVlembrane 3 the Exterior is loofe, The Meniac ‘ as not affixed to the fnbfiance of thefe Bowcls, and may be {tripped off without any great trouble, and is therefore called Fix/rid (Remy/1, and taketh m't ,t Kidntys. its origen from the Rim of the Belly, about the low'etregion of the Mirlrif; out of this Membrane many Fibres do fprout, which tie both Kidneys to the Loins and Diaphragm, and fallen the right Kidney to the (Ira/m, and fometimes to the Liver, and the left to the Spleen and Colo/z. The proper Membrane of theft: Bowels, doth immediately encircle their The propfr Mr mh it- o . f fubftance, and is very thin, and is thought by a Learned Phyfician, to be IhL‘Kl c s made of the Terminations of Vellels, uniting and expanding thenrfelves inThe tcxtu: e of than to a Membrane; but in truth, is principally framed (as l apprehend) of numerous fine Fibres, running feveral ways, and Decullluing each other, till they form a curious Texture, into which many Nerves do infer: themfelves ; which are propagated from the NIelEntt-riek Plex, originally derived from the rPar Vagum, andlntercoilal Trunk. Thefe Nerves are carried fur- ther, and implanted into the Ureters, giving,r them acute Senfe, whereupon The liidncy: are unequal in Dimenlrons. Book I. Part III. Off/ac Ianejr. upon they are tinged with Purple Liquor, in its pallage from the Extreamitics of the Arteries, into the Roots of the Emulgent Veins. The fnbftancc of the Kidneys, may be confidercd under a double notion, if {irithlyg it denoteth only the l'arenchymafl, which is nothing elfe, as I conceive, but an Affufion, or red Tincture of Blood, affecting the outward liirface of the Vellels in its motion from the Extreamities of form, to the Oti- gens of others; fo that the Purple Liquor hath fome part adhzering to the Blood huing the fut-face of the Vellels. is the Parenchyma of the Bowels. But the more large and comptehenfive notion of the fubitance of the Vifcera, is a Syfleme of many kinds of Velfels,‘ integrating the body of the Bowels, whofe Compage is more or leis Denlc or Loofe, as the Interftices The \r'efl‘els belonging to the Kidneys of a Humane1 do not obferve the {lune order in divers Bodies; but in the right and left Kidney of the fame have different Origens, Divarications , and Infertions, which is very obvious to the Dillee‘tors, which curioufly pry into the fecrets of thefe Bowels: But the method of Nature, is more Confiant in the VelTels of Bruits, which are uniform in thefe Animals, and admit little of variation in their rife, The Arteries and Veins of the Kidneys, as well as the Trunks and Branches or the Ve/m Tom: in the Liver, are encircled with a common Coat (called in Latine, Camila Communis) which immureth within its foft confines, the more tender frame of the Velfels, which it accompanieth in all left Kidney doth foinewhat exceed the tight in greatnefs; they are extended about three Vertebres of the Spine in length, and three Tranfverfe Fin- the Fibrous parts of the Kidney, in their various progrefs to their Termi- gers in breadth, and a Thumb in thicknefs, and are fonietimes monfirous in The iiniulgent Artery being branched through the fubllance of the Kid- ney, not in liraight Lines, but maketh many crooked Divatications in the manner or Arches, to hinder the overhafiy Current of the Blood ( as I conCClVC) t0 giie it the advantage of a due Percolation in the Ambient parts of the-Kidney; and upon that account, our of the greater Ramifications of 30 that Nature fporteth her felf to admi- divers Learned Phyl'icians give mofl remarkable Inftances. nations. .the Eninlgent Arterv, do fpring many fmaller Branches, running in lefler Arches, which grow lefs and lefs according to the fmalnefs of the Ramulets, near their Termination into the Cortical parts of the Kidneys, which is made ' Red, proceedeth from a quantity of Blood, impelled by the fruitful Termi- up of numerous Capillaries belonging to divers kinds of VeITels, which is the compage of the Coats invclling the ‘fubftancc of the Vifceri) where- upon "fluff. more and more Ramulets, making fruitful Divarications, which accompany The Kidneys are endued with a middle Colour, between that of the Li- nations of Capillary Arteries, into the {paces of the Filaments ( confiituting frtofnll. part of the Kidney, where it maketh its ingrefs into it ( mofl: commonly in one Trunk, and afterward is divided into five or fix Branches, which emit ver and Spleen, as having not f0 bright a Red as the former, and not f0 deep as the latter: The Colour of this Bowel, and all others, as hued with The colour of the Kidnc yS. The Blood Vellcls of (h: Kidneys are cnclofttl with in a common Coat. parts of the Kidneys, as being wifely formed by Nature, in [lead of Armour to defend them from Lacetation againll outward Affaults, and againll overmuch Tenfion in too great a fulncfs of the Velfels, opprefTed with rapide l‘treains of l'otulent Liquor, accompanying the Blood upon great Drinkin . The Emulgent Artery tit, (taking its rife in one, two, or three Bran- ration, both in Magnitude, Number, and Figure, of there parts of which The Veil: ls of the Kidney; are (lidtrent in fereral Animals progrels, and termination ches out of the Defecndent Trunk of the Aorta 1‘) palleth to the Sinous neys half as big as a Mans Head. The common notirn or the lirbllantc of thC Kidneys of the Veflels are feared more or lefs clofe to each other. The Kidneys according to their fubl'tancc, taken in a free notion, may be {liled an aggregate Body, made up of Arteries, Veins, Nerves, Urinary Veflels, which do conllitute the numerous Glands, as Colarories of the Blood. mach, are one main caule why the Stomach is drawn into confenr, clearly evidenced in Vomiting, when the Ureters are Tortured in violent Nephri- tick Pains. The Kidneys are feldom endued with equal Dimenlions, by reafon the One had Kid- A double ac- ception ofthc Iubflancc of the Kidneys. ll't-liels in its ptogrefs between them, whence the thin red Accretion of the Nerves of the (Far Vagum, being alfo infer-ted into the Coats of the Sto- bignefs; which hath been difcovered in Lafcivious Petfons. 4-75 the ground and cattle of the Percolation of Blood. ' The Emulgent Veins +, alfo in their ,Difpenfations through the body rl T. to: 3: 1.". b5of the Kidneys, obfetve the .Arteries, , the 7 fame. inethodiwith i , , and do accom~ pany |
