Zygomatic Os

The zygomatic Os or zygoma or bone malaire has a body corresponding to the palpable relief of the knob. This body is connected to the other bones of the face by prolongations, which are four:

a prolongation interns towards the lower edge of the Orbite;
a higher prolongation towards the external edge of the orbit joining the frontal bone;
a prolongation lower towards the jawbone and palpable in the mouth;
a posterior prolongation connecting it with the fine prolongation of the temporal Os.

The zygomatic is also the name of a Muscle sticking on the knob and which enters in particular concerned the Rire.

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