The Skin 0.0 / 5 ? AllS for PUniversityAll boards Created by: Ciara SimpsonCreated on: 13-06-19 19:38 PROTECTION; Stratum corneum acts as a physical barrier and protects against pathogens 1 of 27 Keratin function= protected underlying structures from microbes, abrasion, heat and chemicals 2 of 27 Lipids= Prevent evaporation of water 3 of 27 Sebaceous glands= Produce oily serum helping eliminate bacteria and prevents drying out of skin 4 of 27 Menalin= Some protection against UV light 5 of 27 Lamellor granules= Release water repellant sealant 6 of 27 IMMUNITY; Langerhen cells= types of WBC produced in red bone marrow and migrate to epidermis. They are antigen producing dendritic cells 7 of 27 Dendritic cells= Absorb pathogens and antigens before migrating to lymph nodes and simulate T cells 8 of 27 Macrophages in the dermis functions? Phagocytize bacteria and viruses 9 of 27 How many epidermis layers? 4 primary layers, thickened skin 5 layers 10 of 27 Layers are called? Stratum basale, stratum spinous, stratum granulosum, stratum lucidum, stratum corner 11 of 27 THERMOREGULATION; function of piloerectile muscle? Raises and lowers hair trapping air beneath which warms and generates heat 12 of 27 Sweat is released?? By glands through pores 13 of 27 Vasoconstriction of vessels takes? Blood away from the surface 14 of 27 Vasodilation of vessels takes? Blood towards the surface 15 of 27 Hypodermis contains.. Andipose tissue which insulates and prevent heat loss 16 of 27 SENSTIVITY; Missners corpuscles are found.. In dermal papillae and usually found in hairless skin 17 of 27 What are hair follicle receptors sensitive to? Vibration 18 of 27 Nerve endings in the.. Epidermis respond to pressure, temperature and touch 19 of 27 What responds to touch and static pressure? Merkel's disks 20 of 27 What are sensitive to vibration and pressure? Pacinian corpuscles 21 of 27 The dermis is made up of 3 layers.. Papillary layer, reticular layer, dermal papillae 22 of 27 Responsible for skin colour? Melanin, carotene and haemoglobin 23 of 27 The skin holds 10% of.. Total blood flow 24 of 27 The skin is also responsible for excretion (salt, CO2, ammonia and urea) and absorption (lipid soluble substances) 25 of 27 What anchors the dermis to the subcutaneous layer? Fibres 26 of 27 Hypodermis/subcutaneous layer consists of.. andipose tissue and blood vessels 27 of 27
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