This section is from the book "The Horse - Its Treatment In Health And Disease", by J. Wortley Axe. Also available from Amazon: The Horse. Its Treatment In Health And Disease.
A triangular muscle situated above the pharynx.
Origin. From the inner surface of the long cornu of the hyoid bone.
Insertion. - Below it spreads out its fibres and becomes inserted into the outer edge of the pharynx.
Action. - To dilate the pharynx.
 
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