HPR 205 Week 2 Discussion 2.docx

The cells are always shedding they are replaced with

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avascular and is dependent on blood vessels for the dermis for oxygenation. The cells are always shedding, they are replaced with new cells from a deeper region called the stratum basale. According to Ankney et al (2013). we have specialized cells called melanocytes that are in the epidermis and it is responsible for giving us our skin color. The dermis lies below the epidermis and above the subcutaneous layer and is responsible for providing nutrients and physical support to the epidermis (McLafferty et al, 2012). The dermis contains lymph vessels, nerve endings, hair follicles and glands. The dermis is composed of two layers: the reticular and papillary layers. The papillary layer contains the nerves and capillaries that nourish the epidermis, whereas the reticular layer is made up of strong connective tissue containing collagen and elastic fibres (McLafferty et al, 2012). The subcutaneous fascia or hypodermis is composed of elastic and fibrous connective tissue and fatty tissue. Fat is produced by lipocytes to help provide padding to protect deeper tissues of the body and act as insultation for temperature regulation (Ankney et al, 2013).
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  • Summer '16
  • Lynnen Trevisan

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