Title: Anat & Phys 9/1/06 Objectives: Class Topics 11/18/2018 Title: Anat & Phys 9/1/06 Objectives: To assess knowledge of preliminary information and begin learning about histology Class Topics Review Chapter 1 Test Histology Epithelial tissue review Notes Connective Tissue “The most important outcome of education is to help students become independent of formal education. “ Paul E. Gray Sunday, November 18, 2018 5:44 AM
Class Assignments Read 80-111 9/12/06 Due this class period 11/18/2018 Class Assignments What By When Read 80-111 9/12/06 Due this class period Due next class period Due in the future
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11/18/2018 http://www.lima.ohio-state.edu/academics/biology/images/anatomy/Stratified%20squamous%20epithelium%20400X.jpg
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Glandular Epithelium Secretion of a product goblet cells Glands 11/18/2018 Glandular Epithelium Secretion of a product goblet cells found in PSCC and columnar epithelium secrete mucus Glands endocrine - inside the body exocrine - outside the body
Connective Tissue Keeps other tissues in place 11/18/2018 Connective Tissue Keeps other tissues in place Protein fibers found in C.T. 1. Collagen thick - resists stretching (tensile strength) Tendons and ligaments, scar tissue 10% of human’s weight
Connective Tissue 2. Elastin 3. Reticulin Elasticity and Extensibility 11/18/2018 Connective Tissue 2. Elastin Elasticity and Extensibility can stretch and return to original shape skin 3. Reticulin very thin not prominent
Connective Tissue Fig. 4-2 p. 91 Many types of connective tissue 11/18/2018 Connective Tissue Fig. 4-2 p. 91 Many types of connective tissue
11/18/2018 Connective Tissue Fibroblast - cell that produces intercellular matrix (proteins) 1. Loose connective tissue (aka - areolar tissue) random protein fibers - collagen and elastin mostly found between skin & muscles and between organs
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Connective Tissue 2. Adipose tissue 11/18/2018 Connective Tissue 2. Adipose tissue large spherical cells protein present - reticulin fat storage 3. Dense regular connective tissue Proteins are organized (parallel) tendons and ligaments
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Connective Tissue 4. Dense irregular connective tissue 11/18/2018 Connective Tissue 4. Dense irregular connective tissue matting of protein (not parallel fibers) Dermis - deep layer of skin Wrapping around bones and cartilage Periosteum or endosteum
From: http://tray.dermatology.uiowa.edu/DPT/Hist/Nrml-001.htm 11/18/2018 From: http://tray.dermatology.uiowa.edu/DPT/Hist/Nrml-001.htm
Cartilage Much harder than other types of connective tissue 11/18/2018 Cartilage Much harder than other types of connective tissue protein fibers mixed with ground substance - matrix chondrocytes - cartilage cells found in lacunae