Bio47S11HO04

Bio47S11HO04 - Biology 47 - Human Anatomy Lecture 4...

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1 Biology 47 - Human Anatomy Lecture 4 Histology II. Supportive Connective Tissues (CT) : Characteristics : 1. 2. Matrix : 3. Matrix consistency : Defined according to : 1. Cell types: 2. Matrix protein fiber: 3. Matrix: 2 subdivisions : 1. Cartilage : ( chondros = “cartilage”) Cells : a. Immature cartilage cells: “blast” = bud or precursor Function : Secrete : b. Mature cartilage cells: Function : Maintain : Location: Lacunae : Lacus = “pool” Space within: Matrix : a. Collagen fibers : Provide : b. Elastic fibers : Provide : c. Ground substance : Provide compression : Proteoglycan composition: Consistency: d. Typically Avascular : Nutrients acquired by :
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Perichondrium : Vascular Connective Tissue Sheath peri = “around”; Chondrium = “cartilage” Function : Composition: 2 part structure 1. Fibrous Layer : 2. Cellular Layer : Growth: 1. Appositional Growth : Perichondrium Mesenchymal Cells Differentiate into : Increase : 2. Interstitial Growth : “ within tissue Expand : 3 Cartilage types : 1. 2. 3. Physical properties of cartilage are dependant upon : 2. Bone : Osseous Tissue Living / Dynamic : Continually “remodeled” Hormones (Calcitonin, parathyroid hormone, testosterone) Nutrition Bone Stress (exercise) Age Bone Matrix : Osteoid 1. Minerals : 47% Composition:
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This note was uploaded on 09/02/2011 for the course BIO 47 taught by Professor Peters during the Spring '11 term at West Valley.

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Bio47S11HO04 - Biology 47 - Human Anatomy Lecture 4...

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