Histology and Ultrastructure of Transitional Changes in Skin Morphology in the Juvenile and Adult Four-Striped Mouse (Rhabdomys pumilio)
Photomicrographs of striped dorsal skin from the four-striped mouse. (a), (c), and (e) are adult skin and (b), (d), and (f) juvenile skin. Hair follicles are present in the dermis of both the adult (left) and juvenile (right). However, a marked difference is visible in the hypodermis of the juvenile containing abundant hair follicles of varying sizes (right), whereas the adult has none (left). Note the epidermis (line), dermis (bracket), hypodermis (double arrow), and hair follicles (arrows). (a) and (b) Haematoxylin and Eosin staining. (c) and (d) Masson Trichrome staining. (e) and (f) Ferro-ferricyanide staining. Scale bar (a)–(f): 10 μm.
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