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ANATOMY OF THE DOMESTIC FOWL 



Action. — ^A tensor of the lateral cervical integument. It is an 

 auxiliary to the tensor patagii. 



Platysma Myoides. Location. — The inferior portion of the throat. 



Origin. — From the lower margin of the rami of the jaw. Just 

 inferior to the attachment of the masseter. 



Pig. i8. — Muscles of the upper neck region, i, Dermo-temporalis. 2, Cornu 

 of the OS hyoideum. 3, Carotid artery. 4, Jugular vein. 5, Pneumogastric 

 nerve. 6, Esophagus. 7, Trachea. 



Insertion. — From the point of origin it spreads out into a thin 

 fan-like layer and meets its fellow in the median raphe. It is 

 attached to the skin in this region. 



Shape. — ^A very thin fan-shaped muscle. 



Relations. — Closely adherent to the skin. 



Action. — Assists in supporting the lingual apparatus and superior 

 jarynx. Compresses and elevates the part. 



