ANATOMY IN A NUTSHELL. 



Origin. — From the Occipito-frontalis. 



[nsertion. — Into the fibro-cartilage of the ala of the nose with the Com- 

 ■ 'i- nasi. 



Action. Depresses the eye brows and makes the transverse wrinkles on 

 the bridge of the nose. 



N u;\ i. Supply.— Facial. 

 I '.ij ><>i> Supply.— Facial. 



Levator labij buperioris al^bque nasi. — Facial Page 539 



Dilatob naris posterior. — Facial Page 540 



DlLATOB NARIS ANTERIOR. — 



Origin.— From the alar cartilage. 



Insertion. — Into the skin near the margin of the nose. 



Action.— To dilate the nostril. 



\'i.k\ i: Supply.— Facial. 



Blood Supply. — Facial. 



Compressor nasi. — Facial Page 539 



Compressor narium .minor. — 



Origin.— From the fibro-cartilage of the nose. 



Insertion. — Into the skin at the end of nose. 



Action. - To dilate the nostril. 



Nerve Supply. — Facial. 



Blood Supply. — Facial. 



Depressor al.k nasi. — Facial Page 539 



Superior Maxillary Region. 



Levator labii superioris. — Facial Page 534 



Levator anguli oris. — Facial Page 539 



Zygom \th is major. — Facial Page 535 



Zygomaticus minor. — Facial Page 535 



Inferior Maxillary Region. 



I.i.\ vim; LABI) tNFERiORis. — Facial Page 545 



Depressor labii inferioris.. — Facial Page 544 



Depressor anguli oris. — Facial Page 545 



Intermaxillary Region. 



l'.i (i [NATOR. Facial and buccal branch of inferior maxillary division of 

 fifth crania] aerve Page 540 



Risorius. — 



< >i;h,i \. From the masseter fasica. 



Insertion. Into the angle of the mouth. 



Action.— To draw the angle of the mouth backward. 



N i.i;\ i. Si pply. Facial. 



Blood Supply. Facial. 



Orbicularis oris.- Facial through its buccal and supramaxillary di- 



visions Page 540 



Temporo-Maxillary Region. 



TEMPORAL.- Inferior maxillary division of the fifth nerve Page 508 



Masseter. Inferior maxillary division of the fifth nerve Page 520 



