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Response to Light


6 months, 2 weeks

From The Biology of Prenatal Development.Buy Now

Script: Para la semana 26 los ojos ya producen lágrimas.

Ya en la semana 27 las pupilas responden a la luz. Esta respuesta regula la cantidad de luz que llega a la retina durante toda la vida.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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