A misplaced piece of skin found on the conjunctiva as a congenital lesion; it may also involve the cornea.

a choristoma (normal tissue in an abnormal location)

a congenital mass (choristoma) consisting of skin and its dermal appendages

Same as Dermatoid.

a cyst that contains things like skin,

A cyst which may be found associated with the nose, eyebrow or neck which sometimes has connections into the brain. This cyst and its possible tract are formed during fetal development.