'Certain cells in your retina are named for their resemblance to this figure bounded by a closed curve'
cone
SHAPE UP: Certain cells in your retina are named for their resemblance to this figure bounded by a closed curve
Certain cells in your retina are named for their resemblance to this figure bounded by a closed curve
Certain cells in your retina are named for their resemblance to this figure bounded by a closed curve
SHAPE UP
cone
SHAPE UP