SUMMARY OP MUSCLES OF THE TRUNK. 



681 



SUMMARY OF MUSCLES, BLOOD-VESSELS, AND NERVES OF THE TRUNK. 



Under the arrangement which we have adopted the mus- 

 cles of the neck form a part of those belonging to the trunk. 

 The order will be, 1. The neck, 2. The back, 3. Abdomen, 

 4. Chest, 5. Pelvis. 



MUSCLES OF THE NECK. 



To the neck proper are assigned 18 pais of muscles, ar- 

 ranged, agreeably to Mr. Harrison, into four groups, besides 

 which there are five other groups, including twenty-one 

 pairs and two single muscles; making in all thirty-nine 

 pairs and two single muscles. 



FIRST GROUP Two pairs of Muscles. 



Platysma-myoides. 

 Sterno-cleido mastoideus. 



SECOND GROUP Four pairs. 

 Sterno-hyoideus. 

 Sterno-thyroideus. 

 Thyro-hyoideus. 

 Omo-hyoideus. 



THIRD G ROUP Five pairs. 

 Digastricus. 

 Mylo-hyoideus. 

 Genio-hyoideus. 

 Hyo-glossus. 

 Genio-hyo-glossus. 



FOURTH GROUP Seven pairs. 

 Longus colli. 



Rectus capitis anticus major. 

 Ilectus capitis anticus minor. 

 Rectus capitis lateralis. 

 Scalenus anticus. 

 Scalenus medius. 

 Scalenus posticus. 



FIFTH GROUP Three pairs. 

 Stylo-hyoideus. 

 Stylo-glossus. 

 Stylo-pharyngeus. 



SIXTH GROUP- four pairs. 

 Lingualis. 

 Superficial lingual. 



Transverse lingual. 

 Vertical lingual. 



These are the muscles proper of the 

 tongue'. 



SEVENTH GROUP Three pairs. 

 Constrictor pharyingis inferior. 

 Constrictor pharingis medius. 

 Constrictor pharyngis superior. 

 Muscles proper to the pharynx. 



EIGHTH GROUP Four pairs and a single 



muscle. 



Levator palati. 



Circumflexus, or tensor palati. 

 Constrictor isthmi-faucium, or palato- 



glossus. 



Falato-pharyngeus. 

 Azygos-uvul, a single muscle. 

 Muscles proper of the Dalate. 



NINTH GROUP Set-en pairs and a single 



muscle. 



Crico-thyroideus. 

 Crico-arytenoideus posticus. 

 Crico-arytenoideus lateralis. 

 Thyro-arytenoideus. 

 Arytenoideus obliquus. 

 Arytenoideus transversus, a single mus- 

 cle. 



Aryteno-epiglottideus. 

 Thyro-epiglottideus. 



Muscles proper of the larynx. 



