PHAR 1002 Lecture Notes - Lecture 14: Kyphosis, Pubic Symphysis, Latissimus Dorsi Muscle

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17 Apr 2018
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Tendons: support and attach muscles to bones. Bone marrow = major producer of blood cells. Long bones: most common type in the body. Expanded to provide extra surface area for ligaments and tendons. Metaphysis: thin area between the diaphysis and epiphysis. Epiphyseal plate: thin layer of cartilage cells that enables the diaphysis to grow in length. Epiphyseal line: when bone growth stops and compact bone grows into the epiphyseal plate. Medullary cavity: hollow cylinder inside the diaphysis. Contains bone marrow -- fatty tissue that contains blood cells in different stages of development. Lined by a thin membrane -- endosteum. Endosteum and periosteum contain osteoblasts -- cells that produce the matrix of new bone tissue. Bone matrix: consists of cells, collagen fibers, a gel that supports and suspends the fibers, and calcium phosphate crystals. Osteoblasts osteocytes (maintain the matrix and reside in the lacunae. Osteoclasts: produced by bone marrow to dissolve calcium, phosphorus, and organic compounds of the bone matrix.

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