Chapter 6 Integumentary system 구미대학교 작업치료과 이 윤 미

피부계통 성인 몸무게의 약 16% 차지 두께 : 몸의 부위에 따라 다양 - 몸통 : 앞면 < 뒤면 - 굽힘면 < 펴는면 - 손바닥 / 발바닥은 가장 두꺼움

The skin and subcutaneous tissue ► Structures of the skin and subcutaneous tissue 피부와 피부밑조직의 구조

The skin and subcutaneous tissue ► Functions of the skin( 피부의 기능 ) * resistance to trauma and infection: 외상과 감염으로 저항 * water retention: 수분 * vitamin D synthesis: 비타민 D 합성 * sensation: 감각 * thermoregulation : 체온조절 * nonverbal communication

The skin and subcutaneous tissue ► Epidermis * cells - stem cells - keratinocytes - melanocytes - tactile(Merkel) cells - dendritic(Langerhans) cells ► Skin * layers - epidermis stratum corneum stratum lucidum stratum granulosum stratum spinosum stratum basale - dermis papillary layer reticular layer - hypodermis(fat layer)

The skin and subcutaneous tissue ► Epidermis LayersCells

The skin and subcutaneous tissue ► Dermis

Hair and nails ► Hair * types - lanugo hair - vellus hair - terminal hair * structure of hair and follicle

Hair and nails ► Hair * hair texture and color : straight hair, wave hair

Hair and nails ► Hair * hair growth and loss(hair cycle) : anagen, catagen, telogen

Hair and nails ► Nails

Cutaneous glands( 피부의샘 ) ► Types * apocrine sweat glands: 부분분비땀샘 * merocrine sweat glands: 샘분비땀샘 * sebaceous glands: 피부기름샘 * ceruminous glands * mammary glands

Skin disorders ► Skin cancer * basal cell carcinoma * squamous cell carcinoma * malignant melanoma

Skin disorders ► Burns * first-degree burns * second-degree burns * third-degree burns