internal auditory foramen n.
See internal acoustic pore.
- Internal auditory vein
internal auditory vein n. See labyrinthine vein.
noun, Anatomy. 1. the canal extending through the petrous portion of the temporal bone, through which the glossopharyngeal nerve, the facial nerve, and the auditory nerve and artery pass.
- Internal capsule
internal capsule n. A layer of white matter separating the caudate nucleus and thalamus from the lentiform nucleus and serving as the major route by which the cerebral cortex is connected with the brainstem and the spinal cord.
- Internal carotid nerve
internal carotid nerve n. A sympathetic nerve extending upward from the superior cervical ganglion along the internal carotid artery, forming the internal carotid plexus.