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composed of skin + accessory organs (ex. nails, hair, glands, nerve endings, sensory receptors)
slightly mitotic, in conjunction with the stratum basale, referred to as the stratum germinativum; synthesis of keratin
20-30 layers of flattened, keratinized dead cells. closest to surface, most protective layer
loose connective tissue and adipose tissue interlaced with blood vessels (ex. hypodermis) (women 8% thicker than men)
pigment acquired through the diet; thicker stratum corneum, primarily found in people of east asia
Dark skin tones
serve to protect against cell damage due to excessive uv radiation; also more susceptible to damage by extreme cold
necessary for proper bone growth; a deficiency results in rickets in children and osteomalacia in adults
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