JACOPIN / SCIENCE PHOTO LIBRARY JACOPIN / SCIENCE PHOTO LIBRARY
Tactile receptor associated to a hair follicle. When the hair is not dislocated by a friction or a contact, the canal-receptor remains closed, leaving the sodium ions outside the cell. The dislocation of the hair (see image 5607206) leads to the opening of the canal-receptor, that then leaves the sodium ions inside the cell.
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