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Pol J Cosmetol 2011, 14(2): 76-81pl  The structure of neonatal and infant skinKatarzyna Adamczyk, Magdalena Jurzak, Paweł Antończak Zakład Kosmetologii, Wydział Farmaceutyczny z Oddziałem Medycyny Laboratoryjnej, Śląski Uniwersytet Medyczny w Katowicach Summary The skin is the largest organ of human body that plays many complex functions. The skin is bilayerd and is build with the epidermis and the dermis. Under the skis lays hypodermis. The integral structures of the skin are appendages: hair, nails, sweat glands and sebaceous glands. The skin of neonates is thin, delicate and immature. The differences in the structure and function apply all skin layers, its appendages as well as its nervous, vascular and lymphatic systems. The ratio of skin surface to body mass is much higher in neonates that in adults. The skin of newborn is 40% to 60% thinner as well. Skin structure becomes similar to the structure of adult skin not before third year of child life. Distinct structure and physiology of neonatal and infant skin impact functions that skin plays in the body. Key words: skin, skin development, skin function, neonate, infant |