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Pre-Assignment #6..........................Tissue Level & the Integumentary System Name:______________________________ Section #:_______ 1) Compare and contrast the following supporting connective tissues: Tissue Cells (-cytes) Matrix Contains Growth Type Body Locations Osseous Fibrocartilage Elastic Cartilage Hyaline Cartilage 2) Compare and contrast the three types of muscular tissues using the following four characteristics: specific locations in your body, type of control used, the presence/absence of striations, and specialized features (seen in a microscope). Tissue Body Locations Striated or Nonstriated Voluntary or Involuntary Control Cellular Features Smooth Skeletal Cardiac 3) Describe the function that the following four items have in osseous tissue: calcium salts (hydroxyapatite crystals), collagen fibers, canaliculi, and the periosteum. 4) Tell me what one tissue (HINT: look back at your tissue cards)................ a) Found in the lining of the bladder & lower ureters since it stretches repeatedly? b) Has a watery matrix & can move oxygen or fight infections with formed elements? c) Has branching myofibrils, involuntary control, and intercalated discs? d) Forms our larynx, nasal septum, tracheal rings & part of our ribs? e) Forms dermis of skin, connects muscle fibers, and wraps around blood vessels? f) Lines small ducts & thyroid, covers ovary surface, and lines kidney tubules? g) Has a rock-hard calcified matrix with lacunae, lamellae, and canaliculi? h) Forms tendons (bone-to-muscle), ligaments (bone-to-bone), & fascia? 5) List nine different functions of the integumentary system and then describe each one with a small amount of detail. 6) Compare and contrast the properties of the five specific epithelial layers found in thick skin. Which layer has Langerhans cells, which one contains both keratinocytes and melanocytes, and which one has dead cells connected by desmosomes? 7) Compare/contrast the properties of the papillary and reticular regions of the dermis. Which region anchors the skin to the hypodermis, which region gives us our finger/toeprints, which one has most of the capillaries (to lose heat), and which one can have dermatitis? 8) Fill out the following chart for the four membrane types: Membrane Type Serous Cutaneous Mucous Synovial Body Locations General Function Wet or Dry Membrane? Special Features 9) Fill out the following chart for the following four types of exocrine glands: Gland Type Body Locations Eccrine (Merocrine) Sudoriferous Apocrine Sudoriferous Unicellular Mucous (Goblet) Cells Sebaceous (Holocrine) 10) Give a proper function for these eight accessory structures of the skin. a) Nociceptors e) Arrector Pili Muscles b) Nails f) Stratum Lucidum c) Meissner’s Corpuscles g) Hypodermis d) Pacinian Corpuscles h) Thermoreceptors General Function