Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity, above the eyes, between the eyes, and behind the ethmoids. The sinuses are named for the facial bones in which they are located.
U.S. National Library of Medicine
Air-filled spaces located within the bones around the NASAL CAVITY. They are extensions of the nasal cavity and lined by the ciliated NASAL MUCOSA. Each sinus is named for the cranial bone in which it is located, such as the ETHMOID SINUS; the FRONTAL SINUS; the MAXILLARY SINUS; and the SPHENOID SINUS.
The numerical value of paranasal sinuses in Chaldean Numerology is: 6
The numerical value of paranasal sinuses in Pythagorean Numerology is: 9
Images & Illustrations of paranasal sinuses
Translations for paranasal sinuses
From our Multilingual Translation Dictionary
Get even more translations for paranasal sinuses »
Find a translation for the paranasal sinuses definition in other languages:
Select another language:
Discuss these paranasal sinuses definitions with the community:
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Use the citation below to add this definition to your bibliography:
"paranasal sinuses." Definitions.net. STANDS4 LLC, 2017. Web. 23 May 2017. <http://www.definitions.net/definition/paranasal sinuses>.