MCB 32 chap1and2

MCB 32 chap1and2 - MCB 32 Human Physiology Discussion...

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MCB 32 : Human Physiology Jason Yu (  [email protected]  ) Discussion Sections 107  W8-9    182 Dwinelle 108  W3-4    122 Wheeler 111  M1-2    215 Dwinelle Office Hour F 9:30-11   449 LSA Chap1. 1. Tissues: a grouping of the cells with similar functions      A. Muscle Tissue: skeletal : striated / conscious / ex. skeletal muscles                        cardiac : striated / unconscious / intercalated discs (mechanical, electrical  coupling)                        smooth : no striation / unconscious / ex. digestive tract, blood vessels,  bronchioles      B. Nervous Tissue: neurons ( cell body, dendrites, axon )                                        supporting cells – neuroglial cells : anatomical and functional support      C. Epithelial Tissue: membranes ( squamous, cuboidal, columnar / simple, stratified  membranes)                                          junctional complexes – tight holding                                          basement membrane , connective tissue                                          polarity of the cell : apical vs. basal                                          glands –endocrine (secrete into capillary)/ exocrine (secrete into ducts  -> outside)      D. Connective Tissue: connective tissue proper – collagen, tissue fluid                                              adipose tissue : adipocyte – fat globule, store/release fat                                              cartilage : chondrocyte                                              bone : lamellae of calcified materials – collagen and CaCO3                                                          osteocytes : osteoblasts vs. osteoclasts                                              blood : blood cells – red blood cells, white blood cells (immune  system)
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2. Organs – groups of tissues  ex. Skin (fig1.22) – epidermis(epithelial), exocrine glands(epithelial)                                    dermis(connective), blood vessel, blood(connective), adipose  tissue(connective)                                    nerve fibers(nervous)                                    muscles(muscle) 3. Homeostasis – internal constancy         negative feedback    / cf. positive feedback
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  • Fall '08
  • MACHEN
  • red blood cells, connective tissue                                          polarity, D. Connective Tissue

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MCB 32 chap1and2 - MCB 32 Human Physiology Discussion...

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