Skin

Skin is the largest of all our organs

（7% of total body weight）

Epidermis(表皮)

Dermis(真皮)

Hypodermis(皮下組織(非表皮系統))

Stratum corneum (角質層)在表皮最上層

從上往下 

Hair shaft (毛幹)

Hair root(毛根)

Hair follicle(毛囊)

Meissner's corpuscle (麥斯納小體)

{light touch receptor}

Sebaceous gland  (皮脂腺)

Arrector pili muscle (豎毛肌)

Eccrine sweat gland (外分泌型汗腺)

Pacinian corpuscle (帕西尼氏小體) 

新版:(Lamellar corpuscle (環層小體))

{pressure receptor}

reticular layer: few

hypodermis: most