Chapter 15 - Medical Terminology Chapter 15 Musculoskeletal System Musculoskeletal System Bones Joints Muscles Bones Provide framework Protect and

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Medical Terminology Chapter 15 Musculoskeletal System
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Musculoskeletal System Bones Joints Muscles
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Bones Provide framework Protect and support internal organs Assist in movement Hematopoiesis Storage of minerals
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Orthopedist
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Rheumatologist
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Osseous Tissue Osteocytes Collagen Calcium Salts
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Osteocyte
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Collagen
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Osteoblasts and Osteoclasts
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Osteoblasts Immature osteocytes that produce the bony tissue that replaces cartilage during ossification
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Osteoclasts Large cells that remodel bone tissue
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Normal bone formation depends on a normal supply of: Calcium Phosphorus Vitamin D
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Calcium phosphate Major calcium salt
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Parathyroid Hormone Regulates the amount of calcium in the blood stream
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Long bones Thigh Femur Lower leg Tibia and Fibula Upper arm Humerus Lower arm Radius and ulna Very strong; large surface area for muscle attachment.
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Short bones Wrist Carpals Ankle Feet Tarsals
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Flat bones Cover soft body parts
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Diaphysis
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Epiphysis
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Epiphyseal Plate Area of cartilage tissue that is replaced as bone grows
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Periosteum Strong, fibrous, vascular membrane that covers the surface of the bone
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Articular Cartilage Smooth, strong, slick tissue Cushions the joint and allows it to move smoothly and efficiently
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Compact (cortical) bone
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Haversian Canals Channels in long bone that contain the blood vessels that bring nutrients to bone
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Yellow Bone Marrow Found in the medullary cavity of long bones Mostly fat
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Cancellous (Spongy or Trabecular) Bone Contains red marrow (produces blood cells)
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Trochanter Process on the femur for attachment of tendons and muscles
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Tubercle Rounded process on many bones for attachment of tendons and muscles
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Condyle Rounded knuckle-like process at the joint
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Fossa Shallow cavity in or on a bone
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This note was uploaded on 09/14/2011 for the course HEALTH SCI HLTHST101 taught by Professor Dr.cynthiaclinkingbeard during the Fall '11 term at Boise State.

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Chapter 15 - Medical Terminology Chapter 15 Musculoskeletal System Musculoskeletal System Bones Joints Muscles Bones Provide framework Protect and

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