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Elastic fibres in the dermal papilla. Scanning and transmission electron microscopic studies

T Tsuji

    The British Journal of Dermatology
    |April 1, 1980
    PubMed

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    Papillary Dermis01:11

    Papillary Dermis

    Dermis
    The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
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    The papillary layer is made of loose, areolar connective tissue, which means the collagen and...
    Reticular Dermis01:15

    Reticular Dermis

    The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
    Reticular Layer
    Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...