46 CULPEPER’s ENGLISH PHYSICIAN: 
arifes from the upper jaw-bone, juft in the cavity of the cheeks, ‘under the focket 
of the eye, thin, but broad and flefhy. The third pair, called deorfum trabens, 
proper to the lower lip only, arifes from the middle of the chin, with'a’ broad’ begin: 
ning, and afcends direétly to the middle of the lower lip, which it moves upwards, 
The mufcles alfo common or belonging to both lips are “alfo three ‘pair, firlt, 
oblique furfum  trabens, that which obliquely draws upwards, The fecond” pair 
common is oblique deorfum trabens, ot deprimens, moving the lips obliquely downwards. 
‘The third common to both lips is circular, encompaffing and conttituting the whole 
mouth, making the proper fubftance of the lips : by help whereof, the ma is 
purfed up, or drawn together. 
The mufcles of the lower jaw are in number twelve, viz. fix pair, Bea isi on 
either fide. “1. T emporalis, crotaphites, the temporal mufcle, fo called from its fitua- — 
tion, becaufe it poffeffes the cavities of the temples ; it is the greateft of all the jaw- 
‘mufcles, being very firm and ftrong ; it runs along under the os zigoma, andis by avery 
ftrong and nervous tendon inferted into the fharp procefs of the jaw-bone. Its'tife 
is forcibly to pull up the lower jaw, and to fhut the mouth. — 2. ' Maffeter, the chéw- 
ing mufcle, or firft chewer : it is placed in the cheeks, and arifes from a double head. 
It is inferted into the inferior jaw-bone, by a very broad and {trong connection: 
3. Alare externum, the outward wing mufcle. It arifes from the os /pbencidés'and the 
external proceffus alaris, with a beginning partly nervous and partly flefhy, and'is— 
inferted into the neck of the lower jaw-bone, and in the inner feat of the head. Its 
ufe is to move forwards and thruft out. 4. Maffeter internus, the other chewer, is _ 
thick and fhort, and is implanted into the inner and hinder part of the jaw, with a 
broad and {trong tendon. Its ufe is to affift the temporal mufcle. ‘5. Mu/eilus latus, 
the double-bellied mulcle, or broad mufcle, It is nervous in the middle, and flefhy 
=ae atthe ends, and is inferted into the chin, under the bending of the jaw, fattened to 
| a ligament, left it fhould go too far back. Its ufe is to draw the jaw downwards to 
| ‘ : iit 6. Miufeulus latus, the broad or broadeft mutcle, Is arifes fromm 
— 1 face, ieiteaies firmly to the inferior j jaw, and is fixed j in the middle 
= e chin. - The e four laft mufcles draw the jaw upwards, and are ae 
ee F draw i it sovanteece becaule i it would be apt to deprefs {te ae 
pei . ‘ amb four pair. 1. Sterno:byides' it arifes from thei inner bot 
ee sai ee upon the windpipe lies concealed in the forepart 
