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Show 1080 0ft/Jc A tweet/prowling out oft/9e Medulla 3m ment, I conceive, is again compounded of many more minute Fibi-ilsd‘r perfed through the whole fubfiance of the Medulla. h h r . .‘ . . . . . . 5134?:m ot The Bram being confined within a lmall Circuit, 13 not able to fumifh [1,, rpm. larger and more remote territories of the whole Body With Nerves and hath kind of fccond Brain, the Spinalir MEdIllld, which is depute d it, our of which many fair Branches of Nerves {hoot forth, a filliliitutcr as out of "01 0 mon Trunk. nlivery Vermmmh a N And every Verteber of the Spine challenged) as its propriety a pair of a mi, or erves; fo that the Vertebers being Thirty in number, have Thirty Con‘u N I 108-1" The Third pair of Nerves appertaining to the Neck, arife om of Medltllm Spirmlia, a little below thofe of the ferond, and have their firfl: production in $3533": many fmall Filaments difperfed 1n the fubfiance of the Medic/la, and after- ""Nm" ward being united on both fides of the Spine, creep laterally between the Internode: of the fecond and third Vertebers of the Neck, and in a little fpace ,Th?!hini win after their egrefs, are divided into two Branches, the anterior and pofterior, igiivii‘iiitiict: the firft of which is fubdivided into four more minute Branches, of which the fit": diltrihuteth diversFibres into the Flexors of the Neck; The fecond u . .Ifizvai‘olc gations of Nerves, Seven appertaining to the Verteb res of the Neck Jud 5PM hath 3° Twelve to thole of the Back, Five to the Loins, and Six to pair of the Dr Sacmm Nerves. The firfl: and fecond pair of Nerves pafling through the Occiput and 41],,' 559%.??? and the 11th and Bpifirophem, the firfl: and fecond Vertebe rs of the Neck . - cm» Book 11L 0/" the Nerves/fronting unfair/2e Mcdu lla Spihalis. by reafon of their peculiar Articula tions, have different Perforationsfro, thofe other Nerves of the Neck, Back, and Loins. Thefe bein laterrln but thole made in the fore and hinder region of the two upper Vgertebra , whofe articulations would have been rendred more weak by lateral cries: :10": ca . and fo lefs able to receive the motion and fupport the weightp of the The firlt pair of Nerves ealily cutteth its way, betwee n the highefi Verteber of the Neck and the Occiput: And this firlt Rudiment out of the Sc. minal Matter being membranous, eafily yieldeth to the palTage of the nervous Filaments, which make up the firfi pair of Nerves, which runnin between‘the Allas‘and the Occiput, are reflected fomewh *h F'b f the Spine, and is dividedinto two fmall Branche at before it pallethiipon s, the one being very {lenthee-firiliicairo der, palling backward, communicateth many Fibres to the Mufculz' refiimrErtcénguplrpcd layer ('9: mmortr, (7‘ obit/1m" fitptriare: év inferiarer, which take their rife from Mufcles. the HI" and fecond Vertebcr 0f the Neck. The firll: being Tenfors keep the Head upright, and the other moving together are auxiliaries to the finger, ea . but aé‘ting Subalternately, make the flier: yirks of the Neck and A Branch "$5.5" Pair,of Butrhe other Branch of the firfi pair of Nerves iiltniiiriiéiitiit war , is dilleminated into the Mulbles feared under making its progrel's forthe Efltpb agm the long ormmtk, and fliort Mufcles, which bending the Neck forwar d are trul eiititled the Flexors of it. , y :iii Siciiéi- The Second pair of Nerves are akin to the firlt in their manner of Pro$1,221;Eggs duéhon and Perforation, which are not lateral with molt of the fubfequent m. NW, Nerves, but made in the exterio r and pofierior regions of the 3 int as hell: liiiting the Articulations of the firfi and fecond Verteb ers, requirfhg a greater morigm of ieTngth as moft nearly fubfervient to the various motions of the Head. iiiirm‘ d "A ns Second pair is propagated from a double Origen, from the whim! . a ender. Branch flideth between the firll and fecond the dentlform Protcfs, is dilTeminated, allociatino Vertebers at the fidesof with the Branch of thc Fll‘fl' pair of Nerves into the Flexors of the Neck, and afterward tending Epwarg, diffiufeth it felf in many fmall Fibres into the Skin of the Face. But a:51) t e or er grigen of the fecond pair of Nerves, which is the Foam" the fide of the hinder Procefs of the fecond V5" Pa mg Itebegr towcater" "d? PlfoPa gathbytwo Branches, of which the larger bend'mg traanfrfc‘ ayBran:l tf :1 middle of the Spine, where the Splenii aflociat e, meeteth with" f1 1o t c third pair, and climbeth Up toward the Eats fendin g up fruit- u Branches every way to the whole Cutie of the Head. ' taking its progrefs downward, intermingleth with a branch of the Fourth Pair, and is inferted into the thcles of the Neck, placed under the Gala; but the Third Branch Climbeth upward, and aflbciating with a Branch of the Second pair, crowneth the highelt region of the Cari; of the Head with nu- ,, merous Fibres. The Fourth Branch is implanted into divers Mufcles, the jheMurtic: Majlaeidei, Curullarer, and andmti; but the policrior large Branch of the iiieorliii'ccshsr Third pairbcnding it felf backward toward the hinder part of the Spine, $33333" inferteth many Fibres into the Tran/averfizler and Spinati,‘ theExtenfors of the Neck, and afterward palfing into the Splenii, the Extenfors of the Head, from thence rifeth higher toward the fecond Verteber,‘ and fo going to the fides of the Neck and Mufruli quadrazi, is at laf't inferred into the Mufclés of the Cheeks, called Buttinatorer, which pull the Cheeks inward; The Fourth pair of Nerves that concerneth the Neck, taketh alfo its firl't Thcfourrh rife outof five or fix or more Filaments firf't propagated out of the fubl'tancc lir'lrilhi'v" of theMédulla, and then all admitting a Coadunation about the {ides of the m" Nc‘k' Spine, do conflitutea pair of Nerves which infinuate themfelves betWeén the Third and Fourth Vertebers of the Neck, and prefently after they are freefrom the Spine, each of them is parted into two Branches, and accord; ing to their different progrefs are (kyled the fore and hinder Branches; The, former and larger is propagated into three other leffer Sprouts; of which the. hill entring into a confederacy with a Branch of the Third pair, do addrels themfelvcs to the long pair of Mnfcles feated under the Gulet,which are Flex; " Dis of the Neck ‘, A fecond Branch being a Sprout alfo of the anterior, is inferred into the lhort pair of Mufcles, which are alfo Flexors of the Neck ; and the Trapezii which by reafon of great variety of Fibres, having a very different progrefs, can move the Scapula backward, and obliquely upward and downward. This Third and fmaller part of the anterior Branch cutting into allociation with a branch of the Fifth pair, and alfa a Branch of the Fifth pair falling into fociety with another of the Sixth, do all unite about the Mtdialiine, impartinga Branch to either fide, and delcending above the Perimm'im, do for the mall part confiitute the NerVe of the Diaphragm, and are inferred into the nervous Body, or rather the Tendon feated in‘ the C‘enm‘ ter 0f the Midrifi, but the hinder branch of the Tenth pair of Nerves, is more flender then the anterior, as confined within a narrow compafs, and afcending toward the Third Verteber, imparteth its Fibres to the Exrenfors of the Neck, and thence climbing higher, is infetted into the Barri/tater"; the Mufc'les of the Cheeks. __ _ v . _ The Fifth pair of Nerves belonging to the Neck, atIEth under. the: Fifth Tgicfifthpii; Vertebcr, and is divided into two Branches, the greater and anterior is im- 3:33:31: ‘ Planted into the "mg of the Neck, and into the fieltoider, and the Eleva- torsof the Scapula, the Cntullarer,&c. and imparteth' a Branch to the NCI'YC 0f ‘59 Diaphragm ; and the pofierior and plefiet Branch of this .lel‘,' co"imuriicates many Ramulets of Nerves to the Mul‘clcs of the Neck and at, s. 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