Facial Bones: Ethmoid

The ethmoid bone is just so hard to visualize. The ethmoid bone is described as occupying the mid-facial region. Now, you might be thinking about the nose area and you are not wrong. The ethmoid bone is located deep inside the facial region near the nose. It forms the medial-inferior curvature of your eye socket or orbit. Looking at the ethmoid bone from a transverse view, it has a ridge along its midline called the crista galliSharp ridge projecting upward from ethmoid; anchor point for brain’s meninges.. The term refers to a cock’s comb (rooster head-thingy). Just lateralAway from the midline of the body. to the crista galli are the cribriform plates. These two plates can be identified by the numerous foramina that are in them. The olfactory nerve has dendritesBranch-like extensions from a neuron that receive signals from other neurons. that extend through these holes and invade the nasal cavityThe internal space behind the nose that filters, warms, and humidifies incoming air..