Meissner corpuscle Hair (light touch) 棘状层角质层 肌肉 黑素细胞 Epiderm Krauses Bare nerve end bulb 表皮 endings (cld)甚底层 in) Ralfini's毛细血管 corpuscle cheat 经纤维 感觉末梢 Pacinian corpuscle (pressure) sweat gnd脂腺 真皮 Subcutaneous tissue 毛根 E细血管 血管 37.7 The Skin Feels Many Sensations 汗腺 A皮下层 Heat, cold, pain, and pressure are all perceived througl receptors in the skin. Even a very small patch of skin tures associated with their nerve endings; others simp E contains a diversity of receptors that send information to the brain. Some of these receptors have specialized stru have bare nerve endings 图3-378哺乳动物皮肤模式图(华中师范学院等,1986)9