SPHENOPALATINE FORAMEN Meaning and
Definition
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The sphenopalatine foramen, sometimes referred to as the sphenopalatine canal, is a small opening located in the cranial base connecting the nasal cavity and the pterygopalatine fossa. It is primarily formed by the junction of two bones, the sphenoid bone and the palatine bone, and sometimes includes a contribution from the vomer bone.
Anatomically, the sphenopalatine foramen serves as a passage for several important structures. It allows for the transmission of the posterior superior lateral nasal branches of the sphenopalatine artery, which supplies blood to the mucous membranes of the nasal cavity. Additionally, the foramen allows for the transmission of the posterior superior and posterior inferior nasal nerves, which are branches of the sphenopalatine ganglion. These nerves provide sensory innervation to the nasal cavity and contribute to the autonomic control of nasal secretions.
Clinical implications of the sphenopalatine foramen primarily revolve around its involvement in various surgical procedures, especially those aimed at addressing nasal pathology or managing conditions like epistaxis (nosebleeds) and chronic rhinosinusitis. As an important landmark in endoscopic sinus surgery, a thorough understanding of the sphenopalatine foramen and its relationships is crucial in safe and effective interventions in this region.
Overall, the sphenopalatine foramen plays a vital role in the vascular supply and innervation of the nasal cavity, making it significant in both anatomical and surgical contexts.
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The s. notch converted into a foramen by the under surface of the body of the sphenoid bone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SPHENOPALATINE FORAMEN
Etymology of SPHENOPALATINE FORAMEN
The word "sphenopalatine" has its etymology derived from two Greek roots: "sphenos" (σφήνος) meaning "wedge" referring to the shape of the sphenoid bone, and "palatum" (παλάτινος) meaning "palate" referring to the hard bony structure in the roof of the mouth.
The term "foramen" originates from Latin, deriving from "forare" meaning "to pierce" or "to bore". It describes an opening or passage in the body.
Therefore, the term "sphenopalatine foramen" refers to the anatomical structure, a small opening or passage between the sphenoid bone and the palate.
