Comb-Like Structure in a Duck's Eye

This page is the CodyCross answer for the clue below from Futuristic City , Group 988, Puzzle 3 (Facial Recognition).

Question is: Comb-Like Structure in a Duck's Eye

and the answer is: PECTEN

Word Meaning:

PECTEN — (anatomy, obsolete) The bones in the hand between the wrist and the fingers.

Definitions from Wiktionary.