NURS 202 Chapter Notes - Chapter 13: Adipose Tissue, Stratum Corneum, Lentigo
Document Summary
Jarvis: physical examination & health assessment, 2nd canadian. This section discusses key points about the structure and function of the skin, hair, and nails. The skin is the body"s largest organ system. It acts as the sentry that protects the body from environmental stress and adapts to other environmental influences. The skin has three layers: o o o. The epidermis is the thin, tough outer layer. The subcutaneous layer is the adipose tissue below the dermis. Epidermal appendages include hair, sebaceous and sweat glands, and nails. The skin is a waterproof covering that has several key properties. Allows perception of touch, pain, temperature, and pressure, Significant differences exist in the skin at various developmental stages. The immature skin of infants cannot effectively prevent fluid loss or regulate temperature. Aging causes changes in the stratum corneum that give chemicals easier access to the body and causes other changes that lead to wrinkling.
