M H Hardy

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The present study has demonstrated that the mystacial vibrissae of the mouse began to develop at about 12 days of gestation on two plates of thickened ectoderm called the 'whisker pads' which were located on either side of the snout above the margin of the upper lip. Each whisker pad was traversed by five rostrocaudal skin ridges. The individual vibrissae(More)
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