CORNEAGEN

ˈkȯ(r)nēəˌjen adjective

or cor·ne·ag·e·nous |kȯ(r)nē|ajənəs

Etymology: cornea + -gen, n. suffix (here in attributive use) or -genous

: secreting cornea — used of the hypodermal cells that underlie the ocelli and ommatidia in insects