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Libelle of note

The canalis facialis has four segments or parts (Lang J 1992 Klinische Anatomie des Ohres. Springer, Vienna, New York), labyrinthine, tympanic, pyramidal and mastoid.

The space for the geniculum is also known as Fossa geniculata (Lang J 1992 Klinische Anatomie des Ohres. Springer, Vienna, New York).

The chorda tympani passes from the facial canal through the posterior tympanic canaliculus to enter the tympanic cavity, then leaves through the anterior tympanic canaliculus to reach the petrotympanic fissure.

The inferior tympanic canaliculus transmits the tympanic branch of the glossopharyngeal nerve, whereas the posterior and anterior tympanic canaliculi transmit the chorda tympani.

Since there are other foramina in the mandibula, it has been suggested to use the term Foramen alveolare inferius for the Foramen mandibulae, according to its contents, the inferior alveolar neurovascular bundle (Buch 2011 Clin Anat 24:515-517).

The clinical term cog refers to a coronally oriented osseous ridge protruding in the middle ear cavity, for which the term processus inferior tegminis was introduced (Lang J 1992 Klinische Anatomie des Ohres. Springer, Wien – New York).

In ENT Surgery, the Crista verticalis is known as 'Bill's bar' (after William House). It separates the Superior portion of the meatus into an anterior channel for the Facial nerve and a posterior channel for the Superior vestibular nerve.

For a description of the Eminentia articularis, see Alt KW, Rösing LW, Teschler-Nicola M, eds, (1995) Dental Anthropology. Fundamentals, Limits and Prospects. Springer, Wien, New York, p 151.

See note # 554

This rarely mentioned process forms an important part of the closure of the hiatus sinus maxillaris (Krmpotic-Nemankic et al. 2003 Ann Anat 185:53-56).

This variant bipartite zygomatic is found in approximately 4%.