Boundaries Of The Nasal Cavity

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The nasal cavity receives innervation from both external and internal carotid arteries. Branches from external carotid artery include Maxillary > Sphenopalatine. Maxillary > Descending palatine > Greater palatine..Boundaries of the Nasal Cavity. Roof. Formed by the nasal, frontal, sphenoid, and ethmoid bones cribriform foramina, which transmits CN I for smell ..Medial wall nasal septum formed by Perpendicular plate of ethmoid, superiorly Vomer, posteriorly and inferiorly Septal cartilage, anteriorly and inferiorly .The nose is an olfactory and respiratory organ. It consists of nasal skeleton, which houses the nasal cavity. The nasal cavity has four functions ..The nasal cavity is a large air filled space above and behind the nose in the middle of the face. The nasal septum divides the cavity into two fossae. Each fossa is .