The arises from the
External Carotid between the
Superior Thyroid and
External Maxillary ; it first runs obliquely upward and medialward to the greater cornu of the
Hyoid Bone ; it then curves downward and forward, forming a loop which is crossed by the
Hypoglossal Nerve , and passing beneath the
Digastricus and
Stylohyoideus it runs horizontally forward, beneath the
Hyoglossus , and finally, ascending almost perpendicularly to the tongue, turns forward on its lower surface as far as the tip, under the name of the
Profunda Linguæ .
