Monday, February 06, 2006

Third type of cell in eye regulates circadian clock

Lots of educators, including me, have got to update their lesson materials and textbooks - cones and rods aren't the only types of cells in the eyes after all. There is a third type that responds to light and then regulates the circadian clock. LiveScience reports on a study recently published in Neuron.

(Image source: LiveScience)

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