THE COMMON CAROTID 



477 



gastric nerve lies behind and between the two vessels. The artery on the right 

 side measures about three and three-quarter inches (9-5 cm.); on the left side 

 about four and three-quarter inclies (12 cm.). 



Fig. 32[).~The Common Caeotid, the External and Internal Carotid and the 

 Subclavian Arteries of the Right Side and their Branches. 



(From a dissection by Dr. Alder Smith in the Museum of St. Bartholomew's Hospital.) 



Stylo-glossus 



SiibniKutal artery 

 Facial artery 



MYLO-IIYOID NERVE 



LOWER JAW, TURNED UP 



lyPERIOR DENTAL NERVE 

 CHORDA TYMPANT 

 FACIAL NERVE 

 Internal maxillary artery 

 Stylo-hyoid, turned up 

 Digastricus, turned up 

 Temporal artery 



Posterior auricular artery 

 Internal jugular rein \ 



SECOND CERVICAL 



NER VE 



SPINA L A CCESSOR Y 



NERVE V 



Rectus capitis anticus major \V: 



Stylo-pharyngeua muscle 



SUP. CER. GANGL. OF SVMPATHET'C 



GLOSSO-PUAR. NER VE 



Sterno-mastoid, reflected 



Occijjital artery 



Internal carotiit 



Levator anguli scapulae 



THIRD (ERVIC NERVE 



DESCENDENS H YPO- 



GLOSSI NER VE 



External carntiil 

 Inferior constrictor 



COMMUN. HYPOGLOSSI 



FOURTH CERV. NERVE 



Ascending cervical artery 



SPINAL ACCESSORY 



PHRENIC NERVE 



Scalenus anticus 



Levator anguli scapulae 



FIFTH CERV. NER VE 



Scalenus mediua 



CERVICAL PLEXrS 



DESCENDEXS BRANCH 



PNEUMOGASTRIC 



NER VE 



BRACHIAL PLEXUS 



(SIXTH CERVICAL) 



Internal jugular vein 



Superficial cervical artery 



Suprascapular artery 



Serratus maguus 



Coraco-braehialis 



^Kjirascapular artfry given off from tliinl 

 part iij subclavian 



Posterior scapular artery 

 SUPRASCAPULAR NERVE 



Humeral thoracic artery 

 Posterior belly of omo-hyoid, drawn down 



SUBMAXILLARY GANGLION 

 G USTA TOR Y NER VE 



SUBMAXILLARY DUCT 

 SUBMAXILLARY GLAND 

 TONGUE 



HYPOGLOS. NERVE 

 Ranine artery 



6enio-hyo-glo8sus 

 Sublingual artery 



Lingual artery 



' *^^^ — ■ Artery of/rcenum 

 ' "^ LOWER JAW 



Genio-hyoid 



Hyo-gloBBUs 

 Lingual artery 

 ~ Hyoid hraiirk 



Mylo-hyoid muscle 

 Thyro-hyoid membrane 

 .S UPERIOR LARl N- 



GEAL NERVE 

 Superior laryngeal artery 

 Thyro-hyoid 

 Superior tliyroid artery 

 Omo-hyoid 

 EXTERNA L LAR YN- 



GEAL NERVE 

 THYROID GLAND 



Sterno-hyoid 

 Common carotid 

 Sterno-thyroid 

 Vertebral artery 

 Inferior thyroid artery 

 Anterior jugular vein 

 Common carotid 

 CLAVICLE 

 Vertebral vein 



BRA CHIA L PLEXUS 

 (SEVENTH CER VIC.) 



Subclavia?) artery 



Peef oralis major, 

 reflected 



Ti-an.\verse cervical artery 

 Subclavius, reflected 

 BRACHIAL PLEXUS (EIGHTH CERVICAL) 

 Pectoral branch of acromial thoracic artery 

 Subclavian vein 

 Pectoralis minor 



Relations. — In front the artery is covered by the skin, superficial fascia, ])la- 

 tysma, and deep fascia, and is more or less overlapped by the sterno-mastoid muscle. 

 At the loAver part of the neck it is covered in addition by the sterno-hyoid and 



