Chapter05.ppt - Chapter 5 The Skeletal System Word Parts Arthr\/o Joint Kinesi\/o Movement Brachi\/o Arm My\/o Muscle Carp\/o Wrist Myel\/o Bone marrow

Chapter05.ppt - Chapter 5 The Skeletal System Word Parts...

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Chapter 5 The Skeletal System Chapter 5 The Skeletal System
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Word Parts Word Parts Arthr/o Joint Brachi/o Arm Carp/o Wrist Cervic/o Neck Chondr/o Cartilage Cost/o Rib Crani/o Cranium Dactyl/o Finger, Toe Kinesi/o Movement My/o Muscle Myel/o Bone marrow Orth/o Straight Os/te/o Bone Ped/o Foot, Child Spondyl/o Vertebrae Thorac/o Chest
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function Structure and Function Skeleton 206 bones Rigid but articulating (movable at joints) framework for muscles and other tissues Protects vital organs Stores minerals Makes blood cells
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Skeleton divided into two parts: axial and appendicular Axial Skull Chest Spinal column
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Skeleton divided into two parts: axial and appendicular Appendicular Arms Legs Shoulder Pelvic bones Structure and Function—(cont.) Structure and Function—(cont.)
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.)
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Ligaments: bands of tissue that connect two bones together Tendons: attach muscles to bone Joints (articulations): places where bones come together
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Ossification Bone formation Begins early in fetal development when skeleton is composed mostly of cartilage Osseous tissue: connective tissue with mature bone cells called osteocytes
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Parts of the long bone: Diaphysis—shaft Epiphysis—each end of a long bone Epiphyseal plate—growth area of a long bone Medullary cavity—inside of the diaphysis Marrow—tissue that produces blood cells
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Compact bone—hard, dense bone and makes up diaphysis Spongy bone—mesh-like bone tissue found in epiphyses Periosteum—membrane covering the bone surfaces Endosteum—inner surface of medullary cavity lined with thin layer of cells
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.)
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Axial skeleton Cranium (head) Thorax Vertebral column Cranial bones enclose and protect brain Frontal bone; two parietal bones; two temporal bones; occipital bone Joined by cranial sutures
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.) Main facial bones: Nasal bone—forms the bridge of the nose Zygomatic bones—form the cheeks Maxilla—immovable upper jawbone Mandible—movable lower jawbone
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Copyright © 2019 Wolters Kluwer · All Rights Reserved Structure and Function—(cont.) Structure and Function—(cont.)
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