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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.
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 ...
It supports the olfactory bulb, and is perforated by olfactory foramina for the passage of the olfactory nerves to the roof of the nasal cavity to convey smell to the brain. The foramina at the medial part of the groove allow the passage of the nerves to the upper part of the nasal septum while the foramina at the lateral part transmit the ...
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 ...
The anterior ethmoidal foramen, situated about the middle of the lateral margin of the olfactory groove, transmits the anterior ethmoidal artery, vein and nerve. The anterior ethmoidal nerve , a branch of the nasociliary nerve , runs in a groove along the lateral edge of the cribriform plate to the above-mentioned slit-like opening .
Olfactory: Purely sensory Telencephalon: Located in the olfactory foramina in the cribriform plate of the ethmoid bone. Transmits the sense of smell from the nasal cavity. [3] II Optic: Sensory Retinal ganglion cells: Located in the optic canal. Transmits visual signals from the retina of the eye to the brain. [3] III Oculomotor: Mainly motor
Anatomy figure: 22:02-10 at Human Anatomy Online, SUNY Downstate Medical Center; upstate.edu - Frontal; Atlas image: rsa1p9 at the University of Michigan Health System - lateral; Atlas image: rsa1p6 at the University of Michigan Health System - coronal "Anatomy diagram: 34256.000-1". Roche Lexicon - illustrated navigator. Elsevier.
The crista galli (Latin: "crest of the rooster") is a wedge-shaped, vertical, midline upward continuation of the perpendicular plate of the ethmoid bone of the skull, [1] projecting above the cribriform plate [2] into the cranial cavity.