44, A); at the tip of this is formed a thickening of the ectoderm, arising primitively as a hollow ingrowth (fig. [Please select]
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Not only is the juvenal pelage distinguishable from the postjuvenal pelage, but the sequence of ingrowth of postjuvenal pelage follows a regular pattern that is usually different from that of subsequent molts. [Please select]
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The loss of juvenal hair is less readily observed than the ingrowth of new postjuvenal hair on account of the greater time required for the growth of any individual hair than for the sudden loss of a hair. [Please select]
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