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Show R a 1030 De Cerebello. Book III; ("TIMI/u)", in which they are more eminent then in the Brain, and prefem biliiiblifhiyiihc "5 With a Pleafgnt-pyql‘peét' repregnting 3 fine Landfcip, Confiflfm'g ofma_ rcfemblctila ny diH‘ereiit Divarications, refembling a Tree, haying feveral RamificatiOns mc' and Expanfions of Frondage and Foliage, one fprouting out of another, the linaller out of greater Fibres out of Stalks, Stalks out of Twigs, TWigs out of Boughs, Boughs out of Amis, and Arms out of Trunks. The Trunks and Bodies of Nerves belonging to the Cerebral/um, are planted in the Prose]. fw amii/larir, and Medal/a Spillalif 3 Thefe Trunks being compofed of nu- merous Fibrils, divaricated through the fiibltance of the Medulld, of the The lateral Cerebe/lum, do derive themfelves from the Cortex, as f0 many Roots, out of which the innumerable Branches of nervous Filaments do lpring. The (lruéture of the Cerebellmn is framed of two lateral parts, lomewlm i‘fliinilililté relembling two Globes joyned together, and confiningonthe Procrjflvt Vera modulus miformit, which confifling of diverfe ti'anfvei'fe and Winding Particles, united with a thin Membrane, do in fome fort reprehent Worms, frequenting rotten Wood, from whence they borrow their denomination of Prarcflm Vcr. miformir. The Anterior of thefe being protuberant in the Fourth ventricle, adjoyneth to the rProm/[m- Natiformi/t of the Brain 3 bur the Pollerior part of the 'Proecfliw l"'criizifor111ir by reafon of its blunt point, doth terminate into the fubfiance of the Cerebellmm riic Diricnti- Some Phylicians are of an Opinion, but upon what account I cannot con33.2318? jeéture, that this Proccls is dillended, and contracted upon the: elevation 95,153,555 and deprellion of the Cerebelliim. The Cerebellmn hath no VentriCles, no Plex"KCMM, m Cl)0)‘0£'id('f (paliingthe length of their Cavities ) but hath fomewliat reflem- "$11,533:; Glands. bling that Plex, made up of many vertebral Arteries, and jugular Veins,belet with direrfe Glands fomewhat larger then thofe of the rPlexm Cbaraez'du, lb that thefe Vell‘els, accompanied with numerous minute Glands, arorendied conlpicuous, when the Cerebellar»: is divelled of the rPia Mater; and then on either fide of the 'Prucefliii Vermifarmi: may be difcovered Branches creeping, upward, and lpringing from the vertebral Artery, lodged under the lower Region of the Met/HILL oblozigrrhz, and the jugular Veins tranfmitted from each lateral 5mm. The ufe of thefe Arteries and Veins heated in the whole Compage,hut prinmwmm, cipally in the hinder part ofthe Ccrebel/nmJ conjecture to be this,thatthe more terior mol't prominent, and the middle ol a middle nature, more protubc_ mm: then the Polletior, and more d‘eprell'ed then the Anterior. And although the denomination lpeakctha diminution, in reference to its {lender bulk, yet it may in home lort challenge to its lElfpi‘elieniiiieiice above the Brain, in relation to the curious Fabrick ot‘its Cortex ', that of the Brain being framed of diverfi: flnfraffm or Mzeanders; but this of the Ctrebellum is beautified with an innumerable company ofProceffes, embelilhed with va. riety of line Models 0F different lhapes and fi2es, {ome relembling in a mannerTrianglcs, others CLuadranglc-s ofunequal tides, Ovals, and others, are Orbicular, or Pyramidal. Thc Protuberance feared in the middle of the two lateral Provinces, is bigper the_ Oriqen, growing lefs and leis towards the Extremity, and is 7 near . s . . . . 7 r 17:20fl {SSW Effigy; viith divert: flaapes and; - heaiitilied With numerous Proceflesfiyled Vermzform, + becatife they wriggle 2;; up and down in their Figures, like thofe Winding holes, perforated in rotten l 'M' Wood by Worms. Thele Procefles are oblong and flendcr, making many oblique and tranfrcrle pallages to and fro in delightful anders. Birds have one only oblong and round Protnberance, {omewhat like the middle in Man, and are dellitute of the lateral Provinces. , This oblong Prominence in Fowl, is garnilhed with many tranfverfe and oblique Procell'es pafling crofs-ways, and do fomewhat emulate the Vermifiirm l'rocellEs of a humane Brain. The Ccrcbellum in more perfect Animals,_ as :1 Doc, Calf, Lamb, and leis perfect, asaHare, Rabbet, and the like, lomewhat 1'elémble that ofMan‘ in the middle protuberance, as guarded on each fide with lateral Provinces, which areadorned only in Brutes with thin ranks 3' that next to the margent of themiddle Prominence is the greatel't, and confil'teth of oblong (lender l'rocelles,and the Second and Third rows ina Doe, and the like, are made up ,of {horter ProcelTes, fomewhat tending to Oval; but molt are of irregular in the fubflance ofthe Glands, that it cannot be re~conveyed into the hmll Circles, feared in the lateral Province; but Coneys have Lamellw in the mid- Inmdie Prominence, whereas Men have them in the lateral Apartiments. And the middle Protuberance in a Hare hath a Red line, interfeéting' the traan verle and oblique Procefles the whole length of the Prominence, which is rate in any other creatures. . . And Coneys have fewer lateral Prominencies then Hates, the Flrll: havmg but One rank, and the other Two or Three tanks of minute Procel‘ses: Ahd thefe various Procelses are not only lodged in diverfe ranks, in' the 32:23:32; ambient parts of the Cerebrllum, but alfo in the more inward Recefses, which W315"; of the Medal/ii ollwlgdm, and is from thence conveyed through the Cerebel- The Cerebelliim confifieth of Two great Provinces 'l‘ feared on each lide ofthe middle protuberance, and each of thele Provinces, may be divided inst, Thele feveral ftories ofeach lateral Fabrick, +may be difiinguilhed by their ,, "5,, various Procuberancies; the Polieriorbeing‘thc molt deprelled, and the An" extremities of the jiigulars, it exudeth (as I conceive) and dillilletli into the Fourth Ventricle, lying under the Proeefles of the Cerebellum, and Candex dllttiliillilh. (""72 Wthl‘ is my much linaller near its union with the Brain, and may be ii)" "We f-i- led the Neck of it. where it hath its Origens 1- and is there more Protuberant then in its Pollerior Regions, which grow more and more enlarged as they in: approach the terminations 'l‘ ofit, where the Lamellx are greatell, and are more and more lellened as they tend to the Origens of it. Tent. 103,3 circulation, Butii there be li) great a quantity of ferous Liquor, feparated marsh" ferous part ol‘the Blood might be protruded through the extremities of the Capillary Arteries, into the liibl'tance of the Glands; and the more watty Recrements might be received into the Veins, and pals toward the Heart in the ledil, Dc Cerebello. Figures, very diflicult to delcribe. ‘ . But the lateral Provinces in Man, are beautihed With more tanks then Brutcs, which are much leis in compals, and begin in large Bales, and end inakind of Corie, contrary to thofe of Man, which begin in {mall necks, and have greater terminations. The more perfect Animals differ alfo in the Cerebellmiz from that of Man, in that they are dcfiiwte of all Lamellce, confif'ting of greater and lels'femi- The uRs of the Arteries , {3301;111. mto Three lell‘er Circuits, or StorieSVthe greatefi of them + is next theretmination,‘ and the middle -l- is finaller then the Polterior, and greater the" iziviihliclliccffl leaiifi-‘lifi‘c-e {romlih'gofcof M" Brutcsliave $321,135 Iplainly dilcerned in the diFIEéting the Cerebellnm of a Lamb; wherein I }:,W;;,,c"c,«. fawr e arangemcms of Proceffes Iye two or three deep one under another, ""‘"""" one being united to the other in fame parts, by thin Membranes, and themT one to the twolarge Medilullia of the Cerebellar", the Anterior, or highcll Apartiment '[u Theft Em",- hm H r2 In |
