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The cribriform plate is perforated by olfactory foramina, which allow for the passage of the olfactory nerves to the roof of the nasal cavity. [4] This conveys information from smell receptors to the brain .
The olfactory foramina, also known as the cribriform foramina (cribr- is "a sieve" in Greek), is the grouping of holes located on the cribriform plate.The cribriform plate forms the roof of the nasal cavity, and the olfactory foramina are in the two depressions lateral to the median blade of the cribriform plate called the crista galli.
The ethmoid has three parts: cribriform plate, ethmoidal labyrinth, and perpendicular plate. The cribriform plate forms the roof of the nasal cavity and also contributes to formation of the anterior cranial fossa, [4] the ethmoidal labyrinth consists of a large mass on either side of the perpendicular plate, and the perpendicular plate forms ...
The anterior cranial fossa is a depression in the floor of the cranial base which houses the projecting frontal lobes of the brain. It is formed by the orbital plates of the frontal, the cribriform plate of the ethmoid, and the small wings and front part of the body of the sphenoid; it is limited behind by the posterior borders of the small wings of the sphenoid and by the anterior margin of ...
Foramina Number Vessels Nerves frontal-supraorbital foramen: 2: supraorbital artery supraorbital vein: supraorbital nerve: frontal: anterior cranial fossa: foramen cecum: 1: emissary veins to superior sagittal sinus from the upper part of the nose [3] ethmoid: anterior cranial fossa (osama) foramina of cribriform plate ~20-olfactory nerve ...
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]
The nasal branch travels through cribriform plate to enter the nasal cavity and runs in a groove on the deep surface of the nasal bone. Here it bifurcates into a medial and lateral branch. The lateral branch supplies blood to the lateral wall of the nasal cavity and the medial branch to the nasal septum.
The middle turbinates insert anteriorly into the frontal process of the maxilla and posteriorly into the perpendicular plate of the palatine bone. [1] There are three mutually perpendicular segments of the middle turbinate: from proximal to distal, there is the horizontal segment ( axial plane ), the basal lamella ( coronal plane ), and the ...