which of the following is considered part of the eye's accessory structures
accessory organs of the eye. the accessory organs of the eye: the eyelids, eyelashes, eyebrows, conjunctival sac, lacrimal apparatus, and extrinsic muscles of the eye. Also called adnexa oculi. acÂ·cesÂ·soÂ·ry orÂ·gans of the eye. The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball. acÂ·cesÂ·soÂ·ry visÂ·uÂ·al strucÂ·tures. Eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival sac, and extrinsic muscles of the eyeball.