KIN 190 Study Guide - Midterm Guide: Metabolism, Holocrine, Fibrocartilage
Document Summary
Types of muscle tissue: skeletal: causes movement of joints typically, long voluntary somatic control, cardiac. New concentration of pathogens, toxins, waste and chemicals. Stratified squamous epithelial layer made of keratinocytes: dermis: Dense irregular connective tissue that is vascularized: hypodermis: Macrophage and immune cell production decreases dramatically. Stretch marks are a result of collagen not being repaired. Functions of integumentary system: protection, excretion (oils, regulate body temperature, synthesis of vitamin d calcitrol (calcium, storage of lipids (insulation, sensation (blood vessels and sensory input, melanin production (protects from uv rays, keratin production (protects from dehydration) Dermal papillae: functions to strengthen the attachement of the dermis to epidermal ridges and increased surface area. Water resistant, dead cells: lucidum thick skin only no organelles separates layers, granulosum. 3-5 layers thick less permeable granules promote dehydration production of keratinocytes and keratin: spinosum. 8-10 layers thick dendritic cells (phagocytes or langharn cells) defend against microorganisms and skin cancers superficial to melanocytes: germinativum / basale.
