586 ANATOMY IN A NUTSHELL. 



Nerve Supply. — From the lower three cervical nerves. 

 Blood Supply. — 



Muscles of the Larynx. 

 Crico-thyroid. — Externa] laryngeal from the superior laryngeal Page 251 

 Crico-arytenoideus posticus. — Recurrent laryngeal branch from pneu- 



ni( igast ric nerve Page 251 



Crico-arytenoideus lateralis. — Recurrent laryngeal branch from pneu- 



mogastric uerve Page 251 



Arytenoideus.— -Recurrent laryngeal branch from pneumogastric and 



superior laryngeal nerve Page 252 



Thyro-artenoideus. — Recurrent laryngeal branch from pneumogastric 



nerve Page 252 



Thyro-epiglottideus. — Recurrent laryngeal branch from pneumogastric 



nerve Page 252 



Aryteno-epiglottideus superior. — Recurrent laryngeal nerve Page 252 

 ArytEno-epiglottideus inferior. — Recurrent laryngeal nerve Page 252 

 Muscles of the Back. 

 First layer. 

 Trapezius.— Spinal accessory, third and fourth cervical nerves. .Page 45 



LATISSIMUS DORSI. — Middle or long subscapular Page 52 



Second layer. 

 Levatob ANGULI suapul.e. — Third and fourth, sometimes the fifth Page r>o 



Rhomboideus .major. — Fifth cervical nerve Page 55 



Rhomboideus minor. — Fifth cervical nerve Page 55 



Third layer. 

 Serratus posticus superior. — All the muscles of the third layer Page 271 

 Serratus posticus inferior — of the back receive the external Page 272 



Splenius capitis. — divisions of the posterior branches Page 272 



Splenius colli. — of spinal nerves in their respective regions. . . .Page 272 

 Fourth layer. 



SACB \l. \M> LUMBAR REGIONS. 



Exectok SPiNiE.- External division of posterior branches of spinal nerves 



Page 272 



I tarsal region. 

 Ilio-Costalis. Kxternal division of posterior branches of spinal nerves 



Page 273 



Musci i.i s \< i ejssorius ad ilio-costalem.— External division of posterior 



branches of spinal nerves Page 274 



Longissimus dorsi. -External division of posterior branches of spinal 



nerves Page 274 



Spinalis dorsi. [nternal division of posterior branches of spinal nerves 



Page 274 



< tervical region. 



Cervn ojs \>< endens. External division of posterior branches of spinal 



nerve- Page 274 



