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by worms they be changed into yelow colour, greene, or black; al this commeth of corrupt and euill humours, that come downe of euill meates by the ſinnewes to the ſtrings of the téeth. Alſo ſometime the téeth ſhake and wag, and that is for humours that be in ye rootes of the téeth. For if the humors be ſharp, néedes the teeth ſhall haue hoales, and ſtinch and matter ſhall bréede in them. And if Wormes be the cauſe, full ſore ache is bred: for they eating, pearce into the ſubtill ſinew, and make the téeth to ake, and grieue them very ſore, by ſore humors within either without, that infecteth the ſinewes of feelyng, and ſéemeth ſometime to ſléepe, becauſe of great colde, as by ſnow or yce, that conſtrayneth the ſinewes of the téeth. Alſo ſometime, the téeth fall-out, becauſe of great moyſture that looſeth the ſtringes of the téeth. And ſometime by great dryneſſe, as it fareth in olde men, whoſe téeth fall out through withdrawing of moyſture of feeding. Conſtantine rehearſeth theſe and many other paſſions of the téeth, but theſe ſhall ſuffice. Then vnderſtande, that the téeth be rooted and ſticked in the iawes, as in their proper ground & foundation, and by reſon of colde hauing maſterie in them, they be whiter than other bones, and for that they be hard, they be not eaſely hurte. The ſubſtaunce of the téeth feeleth not, for they haue not power of féelyng, as ſayth Conſtantine.
And therefore a broken tooth aketh not: yet it is ſayd, that a tooth is grieued and aketh, through the ſinew of feelyng, that in the roote thereof, is often hurt and grieued. Teeth be bound within with ſinewes; and téeth paſſe the bounds of the fleſh; and they feele no ſoreneſſe within themſelues; and be cloſed with lyps, that they be not ſeene: it is vncomely when they be ſeene, except it be in laughing. And the ouer and the neather come ofte togethers, and touche each other: and though the neather moue ſometime, the ouer be ſtedfaſt and moue not, and be ordinatelye ordeined, ſpeciallye to ſhape the voyce of word and of ſpeaking, and they ſerue all the body.
Of the tongue. Cap. 21.
THe tongue is called Lingua in latin,[1] and hath that name of Lingere, to lycke: for it licketh meate. Or by the tongue, the ſounde of ſpeaking bindeth words: for as a wraſt tempreth ſtrings, ſo the tongue ſmiteth the teeth, as ſaith Iſidore. The tongue is the inſtrument of taaſt and of ſpeaking, as ſaith Conſt. and is made and compoſed of ſoft fleſh, full of hoales lyke a ſpounge. It is ſinnewie, for feelyng and moouing: it is ful of holes, that the ſauyour may pearce and come the eaſilyer to the ſinnewes, that make the taaſt, to the which come many veynes full of bloud, therefore it is red in colour. All this worketh it by the ſame ſkinnes that cloſe the ſpace of the mouth and roofe aboue: and on the ouer ſide the tongue is all ſeene, on the nether ſide it is ſeene to the ſtrings, by ye which it is faſtened to the chinne, and ſo the rootes and mores of the tongue, and the ſubtill ſinewes by the which it taketh feelyng and mouing of the ſpirites, be hid and vnſeene. As Conſt. ſaith, in ſome the tongue is conſtrayned more than it needeth; inſomuch that it maye not moue into diuers parts, therefore it needeth to cut the ſtrings to haue the larger mouing be all the ſpace within the mouth. The tongue is ſubiect to haue many paſſions and grieſes, as in the ſubſtance therof, & in the ſinewes, that come thereto; & therfore in Viatico Con. ſaith, The tongue of a beaſt looſeth quiet mouing, & the vſe of ſpeking, the cauſe therof commeth of defalt of ye vertue of mouing yt commeth from ye braine by ſtopping of ye ſinewes, by ye which, ye vertue of feeling paſſeth: ſomtime of a poſtume, either of blains yt riſe on ye tongue: ſomtime by proper defaults in ye ſubſtance of ye tongue, as euill cōplection; by ye which ye feeling is diſtēpered by too gret heat or colde, or moyſture, or drineſſe, or a poſtume, or ſwelling, and ſuch other. And if the tongue be grieuouſlye ſwollen, it betokeneth exceſſe of heate: and if it be white, it betokeneth coldneſs; & if it be ſoft, it betokeneth moyſture: and if it be drie & rough, it betokeneth drineſſe. And all ſuch things, let the vſe of the tongue,
- ↑ Lingua.