The ethmoidal labyrinth or lateral mass of the ethmoid bone consists of a number of thin-walled cellular cavities, the ethmoid air cells, arranged in...

cavities, the ethmoidal sinuses entail a number of small air-filled cavities ("air cells"). The cells are located within the lateral mass (labyrinth) of each...

the nasal septum. The ethmoid has three parts: cribriform plate, ethmoidal labyrinth, and perpendicular plate. The cribriform plate forms the roof of...

The ethmoid bulla (or ethmoidal bulla) is a rounded elevation upon the lateral wall of the middle nasal meatus: 377  (nasal cavity inferior to the middle...

fissure Ethmoid Cribriform plate Cribriform foramina Crista galli Ethmoidal labyrinth Ethmoidal bulla Inferior nasal concha Lacrimal bone Nasal bone Vomer Maxilla...

space continues laterally as a three-dimensional slit-like space - the ethmoidal infundibulum. This is bounded by the uncinate process, medially, the orbital...

palatine artery, branches of the maxillary artery. Anterior ethmoidal artery and posterior ethmoidal artery, branches of the ophthalmic artery Septal branches...

which forms the lateral wall of the labyrinth of the ethmoid bone. It covers the middle and posterior ethmoidal cells, and forms a large part of[citation...

articulation with the sphenoidal concha the medial or ethmoidal, directed forward, articulates with the labyrinth of the ethmoid. In some cases the air cell opens...

anterior cranial fossa anterior cruciate ligament anterior ethmoidal foramen anterior ethmoidal nerve anterior funiculus anterior horn cells anterior horn...

sinus receives arterial supply from the supraorbital artery, and anterior ethmoidal artery. Venous drainage is provided by the superior ophthalmic vein. Lymph...

and posterior ethmoidal veins thrombophlebitis enables the spread of the infection to the lateral or orbital side of the ethmoid labyrinth. Sinusitis may...