Anatomy and Cell Biology 2221 Lecture Notes - Lecture 2: Pallor, Microorganism, Stratified Squamous Epithelium
9 Dec 2016
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Week 2 the integumentary system, introduction to the axial skeleton, muscles of. Skin aka the layer we touch is the cutaneous layer which consists of the epidermis which is the superficial layer and the dermis which is the deeper layer that consists of connective tissue. Subcutaneous layer consists of areolar and adipose tissue. Cutaneous membrane (skin: consists of two major layers: the integument. Subcutaneous layer and skin form: epidermis part you see, dermis lies underneath. Stores blood colour change environment bacterial/parasites. If you bleed you hit the dermal layer. The epidermis has a number of important characteristics: Produce the pigment melanin which contributes to skin color and absorbs damaging u. v light, melanin granules protect keratinocytes. Participate in immune responses mounted against microbes that invade the skin, they recognize a foreign microbe or substance so it can be destroyed, look for invaders, help clean up. Deepest layer, cuboidal or columnar keratinocytes that contain scattered keratin intermediate filaments, melanocytes and tactile.
