Which of the following bones does NOT form a part of the orbits of the eyes?

• A. lacrimal
• B. ethmoid
• C. maxilla
• D. vomer
• E. frontal

Answer: (D)

Verified step by step guidance

1. Begin by identifying the bones that form the orbit of the eye. The orbit is a bony cavity that houses the eye and its associated structures.
2. List the bones that are known to form the orbit: frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid.
3. Examine each option provided in the problem: lacrimal, ethmoid, maxilla, vomer, and frontal.
4. Compare the list of bones forming the orbit with the options given. Identify which bone is not part of the orbit.
5. Recognize that the vomer bone is not part of the orbit. It is located in the nasal cavity and forms part of the nasal septum.