SKELETAL
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each of the black spaces below before clicking
on it to display the answer.
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| Classification of Bones by Region: bones of the skull, vertebral column, and rib cage. | Axial skeleton
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| bones of the upper and lower limbs, shoulder, and hip. | Appendicular skeleton
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| Contains no blood vessels or nervesSurrounded by the perichondrium (dense irregular connective tissue) that resists outward expansion | Skeletal Cartilages
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| Provides support, flexibility, and resilienceIs the most abundant skeletal cartilage | Hyaline Cartilage
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| Found in the external ear and the epiglottis | Elastic Cartilage
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| Highly compressed with great tensile strengthContains collagen fibers.Found in menisci of the knee and in intervertebral discs | Fibrocartilage
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| Thin layer of hyaline cartilage. Reduces friction at joints | Articular cartilage
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| Lines internal surfaces of bone. Surrounds medullary cavity | Endosteum
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| Dense irregular connective tissue | Periosteum
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| unspecialized stem cells | Osteogenic cells
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| synthesize & secrete collagen | Osteoblasts
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| mature bone cells | Osteocytes
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| digest bone matrix | Osteoclasts
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| weight-bearing, column-like matrix tubes composed mainly of collagen | Lamella
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| connecting blood and nerve supply of the periosteum to that of the Haversian canal | Perforating or Volkmanns canals
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| small cavities containing osteocytes | Lacunae
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| canals that connect lacunae | Canaliculi
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| The____ _____ is the site of long bone growth | epiphyseal plate
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| Factors Affecting Bone Growth | Growth Hormone IGFs Thyroid hormone and insulin,Sex steroids Calcitonin and Parathyroid hormone
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| Lateral bending of vertebral column | Scoliosis
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| Increase in the thoracic curve of the vertebral column | Kyphosis
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| Increase in the lumbar curve of the vertebral column | Lordosis
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| A genetic bone disorder, also known as “brittle bone disease” | Osteogenesis Imperfecta
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| Bone resorption outpaces bone development Can be due to calcium loss. Bone mass becomes so depleted that fractures can occur spontaneously | Osteoporosis
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