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Show \ [2 I 6 w--H.TWOgyo "7323i 11 i. And this Hypothefis is very confonant to Reafon, that the Arteries [hould be carried by {caret pafl'ages through the more folid and fangoiig Book iii. And it may be farther urged in the favour of this Hypothclis 11‘" u" C the nutrition of Bones is accomplilhed by fome parts of the Blood b into all parts of the Body. Bones. And if the Reader remain yet unfatisfied that Blood-vefi'els do not fjfg;,‘§;j" parts, mixed with fixed, faline Atomes (which being carried with penetrate the clofe and hard Compage of Bones, whereupon Blood cannot be tranfmitted by the termination of Arteries into the body of Bones the Vital Liquor through fecret Pores by Arterial Dué‘ts into the fubf‘tancc of the Bones) are fevered from the more refined Particles, and Concreted and united to the Compage of the Bones; And thefe earthy and {3. line parts, confederated with the Blood, are not only tranfinitted into the inward receiies of the Bones, but the grois oily parts pals quire through them as conveyed by Arteries into the Membrane ( encompaf. Emmy; hug the Marrow) wherein the unétuous Atomes of the Vital juice being inourilhcd. fecerned from its purer parts into the Interfhces of the VeiTels, are thence tranfinitted through moit minute paflages of the Coat into the body of the Marrow, where it is ailimilated into its oily fubfiante; Bur it may be the Curious Reader is not fatisfied how Blood can be con- to give them life, heat, and nourifliment, to which this repiy may be made, That by Autoply in a carious Bone, the Artery may be plainly Teen to Tamrvw: make good its pulliition; And this hath been confirmed by an ()bli‘r» Eff]; , vation of learned Spigt'l/im‘, I'lempim liming been prelcut Hut 4602- ""3" "J ‘" (lat Spigellii obflrvatio, 1111i rPutnam} in off}; tibiie mngniz Curie firbflan/iizm 005me oflir ab Ai'tcriola perm/21m via/it, mi 113051461410 [e rifliiifl} refl'rt fills/vanity; This AlTerrion alfo of the Arteries perforating the Coinpage of Bones, may be backed by BenOWncd Dicmerbrocrlfis ()blitrvatiou, Lil). IX. (It Oflibm‘ 0117.1. @ag. 878. Ail il/e, Mcnfe Sepia/211M, Azmz 1663. mm mm fbirurgo t/dafl‘yi adalefccntem, mi tibia' 0: anteriore pm'tec‘irtd medium, 1412i veyed into the Medullary fubfiance of the Bones, feeing their Pores are (0 minute, that they cannot be diicerned, which mui't be underflood TthauminJ only of finall Bones, and not of great, in which the Fammimz ( letting tum perioflio widilizilr in cavitate interiore, 71m ufq; ad Medal/aw 11012 per- 331313;? in the Blood-veffels) may be difcovered by a Curious Eye, and the nemo nil/[Mam Arterial" inwnircyomil. ‘Pi‘u‘ms' ‘ ‘ Arterial Ducts, into the fubflance of Bones and Marrow, wherein the Blood ( not {pent in the maintenance of Life and Nutrition of the faid pal-[5) is returned by the Extremities of Veins, the necefTary ailociates of Arteritwy So that the Surcm Nutririw: of Bones are the more groi}, and earthr ThcAlimcn. 'i ml‘on when the Alimentary part is very fuperfluous, Nature taboo); KW" J Y dilpole of it by turning it into a bony fiibfiance, nor traniinit it into the Extremitics of the Veins, whereupon the grofs parts of the Blood beiuc; liaguated in the- fiibltance of the Bones , do render them {oft and car: rious, which produeeth a kind of abfcefs, and putrefaélion of the parts of Bones into the Marrow, elfe how can they be receptive of life and nourifhment, unlels they be fupported by Vital Liquor, Con‘i‘eycd bv Marrow (lodged within the Bones of a young dead Child newly born) may be Teen upon a Fracture to be bedewed with Blood, tinging the Coat, and Medullary liibftance within it. Learned Btzrtbolinc is of an opinion that the grofs, earthy, and Wine parts of the Blood, are the remote Matter of Nutrition in Bones flowing from thence into the Marrowy fubitance, wherein it receiveth a farther Elaboration. And this Renowned Author is guided in his opinion by the OMle-‘S 0? our Art , Hot domit Galenm Capite ultimo, Libra 3" ale Full/11111.51" natumlilwr. @a/ir, inquit, efi Camibm filflglm, 1111135 57% oflibm Mcdu/ln. duriflimum efl, wrie admodiim crofum erat : Ablata tom incumbents tame, ryeniebat, Arleriolam fatir fortitcr pnl/them, cumin/11m ea t/urifllmu WI lam The Compage of Bones is made up of a double fiibitance; the Am- Bones are bient parts (efpecially in the middle between the Protuberancies) are mhilfiehb- more firm, hard, and folid, as alto white and finooth, as if they were "3"" Glafed and Polifhed, but the inward recclles of Bones are more loft and {pungy (chiefly in their Prominencies and Extremities) belier with numerous Cavities of different "tapes and fizes, receptive of" an oily Me- dullary fiibl'tancc, foftning the inward Compagc of Bones, ' The great round Bones of the Thigh, Leg, and Arrnsy are endued with large Cavities to render them more light, left they lhould give great trouble to Animals in progreflive motion, by reafon oi their weight; V" Et mire cum, Hipucrattr lzbcllo dc alimrmo, apertis werbir id Pronmzriwzt, And as Galen will have it, Nature hath made them hollow to cnrcr- "sw- Puma ms.) 5am, Mcdulla cfl alimentum oflir. But with deference to thefe Great Authors, this reply may be made; Q1104! z'zfdem miner/fr, tain Aliment in their greater and [diet Cells, as in To many Repofirories. Eligiiiiiiimi; ex quibur nafcimur, by realon ( as I humbly conceive) that Nutrition mg", ,g ,7 Wm 7m Q'E}W~A'"V 7m?" Mira; dink éuchrtEe'qu, Cavitater ante»; bits 71am- Generation. is a kind of continued Generation, whereinon fome parts of the Blood are near akin to thofe of the Genital Liquor, whofe more earthy and faline parts are the Matter of Bones in their Hrl‘t production, and the grols fixed parts of the Blood (and not the oily, \VlllCh'aifi Medullary) are the Maleria fubflmta of their Nutrition; So that 1‘ ‘9 very coui‘pieuous to Senfe and Reafon, that the broken Bones do C09" lefce and eonfolid'ate, not by the Medullary fiibflancc (lodged 1". .[hc Cells and greater Cavities of Bones) but by a Callous Mutter (uniting the broken Bones) proceeding from the Tartar ot- the Blood, whiC is firft fluid, and afterward concreted into a folid fubflance, by "'th the Extreams of the broken BOnes are firmly coniioyned. And Tnlxm‘id (Iflqllit Ill?) [15.2. mei 93"," Cap. 18- 95‘ EMU-'3" 5933!? 31'! xmi. Jr I'd mm reliquz't inane: , CHI)! ipfa pen/mt quandam alimenti fizmi/iarir in i/jir MF' repanere; and the Bones are alfo made holbw, that they might tranfmit chTels of divers kinds, Arteries, Veins, and Nerves, and that the Chine might entertain and fecure the Spinal lVIartow. .Mol‘t Bones are fumiflied with a kind of Medullary fubfiancu, Tome. times hued With a reddiih or yellowilb colour, which is found iii the greater Cavities of Bones, and in the finaller, it iceiiietli to be ondued With a more white Colour, and of a more thin confifience. Some Authors have imagined Lions and Eflrigcs to have 'ull their" Bonzs deftitute of Marrow , and the realon of their mil'take, was the fmalllnef‘s of the Cavities relating to their Bones; but Upr ,h a more cunous Infpeétion, their Bones have been difcovered to have their finall |
