Basal rod --> costa
generates active bending associated with local loss of birefringence at the bending zone, probably as a result of conformational change in the longitudinal lamellae. Major protein approximately 90 kd.
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RODS are more sensitive to light than are cones, and rods are particularly important for night vision. The outer segment of rods is ... extracellular. These hollow wafers are produced continuously from the basal portion of the outer segment, forming as projections of cytoplasm that serially ...
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