eyespot
Eye"*spot`, n. (Zoöl.) (a) A simple visual organ found in many invertebrates, consisting of pigment cells covering a sensory nerve termination. (b) An eyelike spot of color.
Eye"*spot`, n. (Zoöl.) (a) A simple visual organ found in many invertebrates, consisting of pigment cells covering a sensory nerve termination. (b) An eyelike spot of color.