502 THE INTESTINAL CANAL, BY E. KLEIN AND E. VERSON. 



in one instance he found nerve coils in the small papillae, and at the 

 bases of the larger. Gerlach* also ascribes tactile corpuscles to the 

 papillae of the borders of the lips. 



The fasciculi of the musculus sphincter oris are intercalated 

 between the submucous tissue of the muco-membranous por- 

 tion and the subcutaneous tissue of the cutaneous portion. 

 According to C. Langer,f the muscular fibres of each side have 

 three points from which they radiate towards the median line, 

 namely, the angle of the mouth, and the two musculi incisivi ; 

 from the angles of the mouth the fibres arranged in a laminated 

 manner pass to the lips, one portion terminating without 

 crossing the median line in the cutis of its own side, another 

 passing beyond this to terminate in the skin of the lip on the 

 other side, and, finally, a portion of the fibres attaching them- 

 selves to the incisor processes of the bones on the same side. 

 Moreover, according to Langer, the fibres of the sphincter 

 penetrating the cutis lose themselves amongst its plexiform 

 fibres. Woodham Webb f has likewise, some time ago, demon- 

 strated the presence of transversely striated muscles in the lips 

 of Man, from which extremely delicate fasciculi extend into 

 the papillae of the cutis, and are there lost. It may be shown 

 by carefully made sections that a portion of the muscular fibres 

 which Langer and Woodham Webb considered to penetrate the 

 cutis belongs to a peculiar system of muscular fibres (compressor 

 labii) which arise in the spaces intervening between the first 

 5 7 consecutive rows of hair follicles, arrange themselves 

 in the subcutaneous tissue in four or five fasciculi, traverse, 

 forming slight curves, the fasciculi of the sphincter, and at 

 their entrance into the muco-membranous portion, that is to 

 say, into the submucous layer of this portion, every two or 

 three fasciculi decussate alternately, in order finally to penetrate 



* Handbuch der allgemeine und speciallen Getvebelehre des menschliches 

 Korpers. Matnz, 2 Aufl. 



t Ueber den Musculus orbicularis orts, Wiener Medicinische Jahrbiicher, 

 Heft ii. ; und Zeitschrift der Gesellschaft der Aerzte. Wien, 1861. 



J " On Striated Muscular Fibres in the Skin of the Human Lip," Quar- 

 terly Journal of Medical Science. London, 1857, January, Vol. v., p. 89, 

 plate yii., fig. 16. 



