skinspleen皮膚脾ppt課件-文庫吧資料
2025-01-11 03:30本頁面
【正文】 ocyte（黑素細(xì)胞） Location: stratum basale LM: round body, palestaining cytoplasm amp。 ⑥ Keratin filaments: less→many 。 ④ Membrane: thin → thick。 Basophilic→acidophilic ② Nu./ Organelle: +→ 。 Embryology, Harbin Medical University General description Structure： Skin: Epidermis Dermis Hypodermis Appendages: Hair, nails, sebaceous gland， sweat gland. Function: (1) Protection (2) Sensitive an (3) Regulation I. Structure of epidermis A. Keratinized cells (5 layers) B. Nonkeratinized cells (Melanocyte,Langerhans cell,Merkel’s cell) II. Structure of dermis and hypodermis III. Structure of hair, sebaceous gland, and sweat gland. Structure: 1. Keratinized cells（角質(zhì)形成細(xì)胞） I Epidermis（表皮） 1. Stratum Basale （基底層） : LM: one layer, rest on . , basophilic, columnar or cuboidal. EM: keratin filaments, (.), desmosome amp。Company LOGO Donghua Liu Department of Histology amp。 Embryology, Harbin Medical University Lymphoid System 1) A distinguishing feature of the thymic medulla. 2) Isolated mass of closely packed, concentrically arranged epithelial reticular cells, and sometimes calcify. 3) Function is unknown. ※ Thymic corpuscles (Hassall’s corpuscles) 1. Thymus Cortex ?Outer corte
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