Posts Tagged ‘receptor cells’

Sensory receptor cells

Posted on December 3rd, 2009 by receptor  |  No Comments »

The sensitivity of the antennae is astounding. The energy of a single photon, the most minute amount of light, is sufficient to stimulate the visual cell. The olfactory cells sense a single molecule of odoriferous substance. For the auditory cell to be excited, it is sufficient for the ear-drum to vi­brate with an amplitude of […]

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Receptor cells similar in structure

Posted on November 30th, 2009 by receptor  |  No Comments »

Scientists have always been eager to understand the structure and function of the sense organs. Research has been especially intense in the past few years, after the elec­tron microscope came on the scene. This is understandable since the ordinary microscope only magnifies ten to fifteen hundred times, while the electron microscope has a magni­fication of […]

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