ANATOMY IN A NUTSHELL. ")o'.l 



Insertion. — Into the sclerotic coat below the insertion of the External 



rectus. 



Action. — It turns the eye-ball on its antero-posterior axis outward and 

 upward. 



Nerve Supply. — Third cranial. 



Blood Supply. — Muscular branches of the ophthalmic artery. 



(3) Levator labii snperioris ala^que nasi.— 



Origin. — From the nasal process of the superior maxillary hone. 



Insertion. — Into the cartilage of the ala of the nose and into the facial 

 part of the Orbicularis oris. 



Action. — Elevates the upper lip and dilates the nostrils. 



Nerve Supply. — Facial. 



Blood Supply. — Angular artery from the facial. 



PLATE CCLXXVII. 



TUNICA ALBUGINEA RECEIVING ATTACHMENT OF TRABECULAE 



CONI VASCULOSI &m$l& COLLECTING TUBE 



rvv^- t 



jsgp VAS DEFERENS 



VAS ABERRANS 



'MINOR' 

 RETE TESTIS IN MEDIASTINUM TESTIS 



The Testicle. 



(4) Levator anguli oris. — 



Origin. — From the canine fossa of the superior maxillary bone. 

 Insertion. — Into the facial part of the Orbicularis oris. 

 Action. — To lift the angle of the mouth. 

 Nerve Supply. — Facial. 

 Blood Supply. — Facial artery. 



(5) Compressor nasi. — 



Origin. — From the superior maxillary bone above the incisive fossa. 

 Insertion. — Into the fibro-cartilage of the nose, joining here its fellow 

 of the opposite side and the Pyramidalis nasi. 

 Action. — It dilates the nostril. 

 Nerve Supply. — Facial. 

 Blood Supply. — Lateralis nasi of the facial artery. 



(6) Depressor alse nasi. — 



Origin. — From the incisive fossa of the superior maxillary bone. 

 Insertion. — Into the septum and alar cartilage of the nose. 



