16體重15-2m2

1、16% 體重1.5-2 m2第五章 皮膚系統(tǒng)1皮膚系統(tǒng)皮膚膜 (cutaneous membrane)表皮(epidermis)真皮(dermis)附屬構(gòu)造 (accessory structures)毛囊(hair follicles)皮脂腺(sebaceous glands)汗腺(sweat glands)指甲(nails)2皮膚系統(tǒng)內(nèi)器官和功能Integumentary Structure and Function 保護(hù) 體溫維持 儲(chǔ)存營(yíng)養(yǎng)物 感覺(jué)感受器 排泄和分泌3 Layers of the Epidermis Stratum Germinativum 發(fā)芽層幹細(xì)胞黑色素細(xì)胞(mel

2、anocytes)黑色素(melanin)b.Stratum Spinosum 棘細(xì)胞層c.Stratum Granulosum 顆粒層d.Stratum Lucidum 透明層e. Stratum Corneum 角質(zhì)層4 Skin Color Pigmentation 色素胡蘿蔔素黑色素b. Dermal Circulation 真皮層的血液循環(huán) 5The Epidermis and Vitamin D3表皮層和維生素D3 Stratum Germinativum and Spinosum 紫外線 DehydrocholesteralVit D3 肝臟和腎臟: Vit D3Vit DVit

3、 D協(xié)助小腸吸收鈣和磷佝僂癥 (rickets)和軟骨癥(osteomalacia)6The Dermis 真皮層Layers of the Dermis 真皮層層次乳頭層：微血管和神經(jīng)網(wǎng)狀層2. Other Dermal Components 其他組成毛囊汗腺血管網(wǎng)路淋巴系統(tǒng)神經(jīng)纖維7The Subcutaneous Layer皮下層脂肪細(xì)胞皮下脂肪分佈男：頸部、上肢、腹部女：胸部、臀部、大腿皮下注射81. Hair Follicles 毛囊a. The Structure of Hair Folliclesb. Functions of Hairc. Hair Color2. Sebaceous Glands 皮脂腺3. Sweat Glands 汗腺a. Apocrine Sweat Glands 頂漿汗腺b. Merocrine Sweat Glands 外分泌汗腺4. Nails 指甲Accessory Structures 附屬器官9 Local Control of HomeostasisA. Injury and Repair1. Cuts and Abrasions 刀傷和擦傷2. Burns 燒燙傷B. Aging and the Inte