auriculo-

Of or pertaining to the auricle of the heart.

The auriculo-ventricular orifice is an oblique slit[.]

Of or pertaining to the external ear; aural, auricular.

The first of these, the auriculo-temporal nerve, passes backwards, under the external pterygoid muscle, and then upwards between the mandible and the external meatus, underneath the parotid gland.