The spelling of "hiatus canalis facialia" can seem daunting at first glance, but with the help of IPA phonetic transcription, it becomes easier to understand. The word is pronounced /haɪˈeɪtəs kəˈneɪlɪs feɪʃəlɪə/, with the stress on the second syllable of "hiatus" and the first syllable of "facialia". The word consists of the Latin roots "hiatus" meaning "opening" or "gap" and "canalis" meaning "canal" or "duct", referring to the opening for the facial canal. Despite its complex spelling, this word is important in anatomical contexts.
Hiatus canalis facialia is a term derived from Latin, combining "hiatus" meaning an opening or gap, "canalis" meaning a canal or channel, and "facialia" referring to the face. In anatomy, this term refers to a small aperture or opening located in the facial region of the skull.
The hiatus canalis facialia specifically pertains to the region of the skull known as the facial canal or canal of the facial nerve. This canal serves as a pathway for the facial nerve, also known as cranial nerve VII, which is responsible for various motor and sensory functions related to facial expressions, as well as transmitting taste signals from the anterior two-thirds of the tongue.
Located within the temporal bone, the hiatus canalis facialia is a crucial point where the facial nerve exits the skull and enters the facial musculature. The nerve passes through this canal, branching out to provide motor innervation to the facial muscles and transmitting sensory information to the brain.
Understanding the exact location and structure of the hiatus canalis facialia is essential for surgical interventions that involve the facial nerve, including procedures such as decompression surgery or removal of tumors affecting the nerve. A thorough comprehension of this anatomical feature is crucial to avoid unnecessary damage and ensure the best possible outcomes for patients.
H. Of facial canal, a slit-like opening in the superior (anterior) surface of the petrous portion of the temporal bone leading into the facial or Fallopian canal.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.