basophilic granules of keratohyalin; 3. Karyon and organelle dissolved midlife
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透明层
1. Only on the palms;
2. Physical barrier: water, electrolyte.
3. Older: non nuclei cells
真皮的细胞
◦ 成纤维细胞:产生胶原纤维等 ◦ 组织细胞:吞噬异物,清道夫作用 ◦ 肥大细胞:参与I型变态反应
真皮的纤维
◦ 胶原纤维:III型胶原为主 ◦ 弹力纤维 ◦ 网状纤维
真皮的基质
◦ 主要是粘多糖成分
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胶原纤维 collagen fibers
1. Pink by HE staining 2. Major strutural protein
1. Fine and wave-like vertical the epi-;
2. Maintaining the elasticity of the skin.
3. Special staining.
26
皮肤附属器
毛囊和毛发:
◦ 分长毛、短毛、毳毛,有生长期、退行期、休止期
皮脂腺:
◦ 粘膜处直接开口于表面,其余开口于毛囊 ,无腺
脓疱: 内含脓液的疱疹。内容物为血液则血疱
47
脓疱: 含有脓液的疱疹.
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Cysts:
A cyst is a sac that contains liquid or semisolid material (fluid, cells, and cell products), on palpation, it is resilient.