9 8 2014 Come Join the CU Boulder IPHY Club for the Kickoff Event WHEN 9 10 14 Wednesday 5 PM WHERE Clare 111 Come find out If IPHY is the right major for you How to get involved What the IPHY Tutoring Program is What IPHY Club events to expect Free Food and Drinks Connective Tissue Cartilage Bone and your skeletal system Study tip Don t recopy REORGANIZE instead Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings Figure 6 1 1 Bone Cartilage in the adult skeleton and body Bones approx 206 in ADULT Hard calcified matrix Calcium reservoir Cartilage Provides flexibility Key Hyaline cartilages Elastic cartilages Fibrocartilages Bones 1 9 8 2014 Your skeletal system is an organ system In addition to bone and cartilage which of the following would you find as part of the skeletal system A B C D E Nerves Blood vessels Epithelial tissues All of the above None of the above Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings Figure 6 1 1 Bone Cartilage in the adult skeleton and body Bones approx 206 in ADULT Hard calcified matrix Calcium reservoir Cartilage Provides flexibility Key Hyaline cartilages Elastic cartilages Fibrocartilages Bones Skeleton also includes nerves blood vessels epithelial tissues Figure 6 2a Types of cartilage tissue Cartilage is a Connective Tissue Chondrocyte Chondroblasts Extracellular Matrix 80 water 2 9 8 2014 What kind s of fibers can be secreted by the chondroblasts A Collagen reticular and elastic B Collagen and reticular C Collagen and elastic D Elastic only E No fibers are found in cartilage Figure 6 2a Types of cartilage tissue Chondrocyte in a lacuna Mature cell maintains matrix Extracellular matrix Chondroblasts Secrete collagen elastic fibers for support Lacuna Perichondrium dense irregular CT No blood vessels or nerves w in the cartilage Basics of cartilage chondrocyte Extracellular matrix cartilage Chondroblasts found at margin between perichondrium and cartilage PC perichondrium http www courseweb uottawa ca medicine histology English Musculoskeletal default htm cb chondroblast bv blood vessel 3 9 8 2014 Figure 6 1 1 Cartilages in the adult skeleton and body Cartilages in nose 3 types of cartilage 1 Hyaline 2 Elastic 3 Fibrocartilage Articular cartilage of a joint Costal cartilage Key Hyaline cartilages Elastic cartilages Fibrocartilages Articular cartilage of a joint Figure 6 1 2 Cartilages in the adult skeleton and body Thyroid cartilage Larynx Cricoid Trachea Key Hyaline cartilages Respiratory tube cartilages in neck and thorax Elastic cartilages Fibrocartilages Fig 4 12g Hyaline Cartilage Most abundant Mostly collagen fibers Firm matrix that resists compression Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings 4 9 8 2014 Figure 6 2a Types of cartilage tissue HYALINE CARTILAGE Chondrocyte in a lacuna Extracellular matrix Chondroblasts Lacuna Perichondrium Figure 6 1 1 Cartilages in the adult skeleton and body Epiglottis Cartilage in external ear Key Hyaline cartilages Elastic cartilages Fibrocartilages 3 types of cartilage 1 Hyaline 2 Elastic 3 Fibrocartilage Fig 4 12h Elastic Cartilage Mostly elastic fibers but some collagen Able to withstand repeated bending 5 9 8 2014 Figure 6 1 1 Cartilages in the adult skeleton and body 3 types of cartilage 1 Hyaline 2 Elastic 3 Fibrocartilage Cartilage in intervertebral disc Meniscus padlike cartilage in knee joint Pubic symphysis Key Hyaline cartilages Elastic cartilages Fibrocartilages Fig 4 12i Fibrocartilage Higher concentration of collagen fibers than hyaline no elastic Strong resists tension and absorbs compressive forces Fig 7 14 Intervertebral disc Fibrocartilage portion of disc Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings 6 9 8 2014 Cauliflower ear A blow to the ear can result in the perichondrium separating from the deeper elastic cartilage resulting in a hematoma and swelling Cut off from its nutrient source the cartilage dies and permanent scar tissue fibrous CT forms in the damaged region BONE the skeleton Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings Figure 6 1 1 Bone Cartilage in the adult skeleton and body Functions associated w skeleton Support Framework support for soft tissues Movement Works w muscular system Protection Hard covering for brain spinal cord other organs Mineral reservoir Minerals including Ca and phosphates stored in matrix Key of bone Hyaline cartilages Hemopoiesis hematopoiesis Elastic cartilages Houses red bone marrow which produces Fibrocartilages new red blood cells Endocrine function Osteoblasts secrete hormone that helps regulate blood sugar levels 7 9 8 2014 Bones as organs Epithelial tissue blood vessels nerves Connective tissue Bone CT has hard calcified matrix mineral storage Dense CT www personal psu edu staff m b mbt102 bisci4online bone bone4 htm Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings Classification of Bones by shape Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings Figure 6 2 Flat irregular short bones Spongy bone sandwiched between 2 layers of compact bone Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings 8 9 8 2014 Figure 6 The structure of a long bone humerus Spongy bone Proximal epiphysis May contain red bone marrow which actively generates RBCs red blood cells Endosteum Dense CT Osteogenic Osteoblasts osteoclasts Compact bone Yellow bone marrow Medullary cavity Diaphysis shaft Yellow bone marrow Compact bone Adipocytes fat cells Replaces red bone marrow btwn ages 8 18 Distal epiphysis Section through head of femur showing compact bone spongy bone and red bone marrow Compact bone Spongy bone containing red bone marrow http www websters online dictionary org definitions Bone 20Marrow What type of cartilage would you expect to find on the epiphysis of a long bone A Elastic B Hyaline C Fibrocartilage D Areolar E Dense irregular Copyright 2005 Pearson Education Inc publishing as Benjamin Cummings 9 9 8 2014 Figure 6 4 The structure of a long bone humerus Articular cartilage Hyaline cartilage Epiphyseal line Spongy bone Epiphyseal plate cartilage Hyaline cartilage Epiphyseal plate growth plate site of active growth in long bone Epiphyseal line ossified growth plate forms when growth complete Epiphyseal Fusion A General Guide Do NOT memorize this guide Human Anatomy 5e by Marieb Mallatt and Wilhelm Copyright 2008 Pearson Education Inc publishing as Benjamin Cummings Figure 6 11 Organization of