Unlike modern cetaceans, basilosaurids retained a large external auditory meatus.
2.
The first pharyngeal groove produces the external auditory meatus ( ear canal ).
3.
The rest is provided by the auriculotemporal nerve, which supplies the skin anterior to the external auditory meatus.
4.
The practitioner must lengthen and elevate the patient s neck until the external auditory meatus is in the same plane as the sternum.
5.
For the Conventional earpiece facebow, the anterior reference point is the nasion area, and the posterior references are the external auditory meatus.
6.
Mice knock-out models of the gene express defects in the tongue, nasal cavity, nasal pits, inner ear, and external auditory meatus.
7.
The posterior root, a prolongation of the upper border, is strongly marked; it runs backward above the external auditory meatus, and is continuous with the temporal line.
8.
The basilosaurid ear did, however, have a large external auditory meatus, strongly reduced in modern cetaceans, but though this was probably functional, it can have been of little use under water.
9.
If the eardrum is perforated, it follows therefore things placed into the external auditory meatus ( " ie your earhole " ) will be able to be tasted should they pass through to the mouth.
10.
Whipmix facebow ) where the external auditory meatus is used as the posterior landmark and the'facial face bows'where the condyles on the side of the face are utilized as posterior anatomical landmarks ( e . g.
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