Final answer:
The eyeball is located in the b. orbit, a protective bony socket in the skull that contains eye muscles and allows for nerve connections.
Step-by-step explanation:
The eyeball is located in a bony structure called the orbit. This bony socket not only houses the eyeball but also contains the muscles that move the eyeball and open the upper eyelid. The orbit is cone-shaped, with a wide anterior opening and a narrow posterior region, designed to protect the eye.
The anatomy of the eye is complex, encompassing three layers: the fibrous tunic, vascular tunic, and neural tunic. Within these layers is the retina, which is vital for vision. The optic canal situated at the posterior apex of the orbit allows for the passage of the optic nerve, connecting the retina to the brain.
The choroid process, adnexia, and palpebral fissure are not the correct answers. The choroid is a layer within the eye, the adnexia refers to the accessory structures of the eye, while the palpebral fissure is the opening between the eyelids.