Etmoidiluu
Etmoidiluu is the ethmoid bone, a complex and unpaired bone located in the anterior cranial fossa of the skull. It is situated between the orbital plates of the frontal bone and anterior to the sphenoid bone. The ethmoid bone is largely composed of spongy bone and forms a significant portion of the anterior cranial base, the nasal cavity, and the medial walls of the orbits.
This bone has several distinct parts. The cribriform plate, a sieve-like structure, forms the roof of the
The ethmoid bone also contributes to the orbital cavity through its orbital plates, which form the medial