Skeletal System

Skeletal System - and cradle-like with anterior iliac...

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Skeletal System Lab 8
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Function of the Bones Support Movement Protection Storage of Minerals Formation of Blood
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Cells that Make up Bones Osteoblasts are responsible for mineralization of the osteoid matrix. Osteoclast are responsible for removing bone tissue by removing the bone's mineralized matrix. Osteoclast Osteocytes Osteoblast
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Structures of Bone Osteoid is a protein mixture which is secreted by osteoblasts. When it mineralizes, it becomes bone. Osteoid is primarily composed of Type I collagen Compact bone is a highly structured, dense type of bone found where maximum strength is required Spongy (cancellous) bone is lighter and less dense than compact bone; consists of plates and bars of bone adjacent to small, irregular cavities that contain red bone marrow
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Bone
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Long Bones
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Bones of the skull
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Bones of the Thorax
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Bones of the Spine
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Bones of the Arms
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Bones of the Pelvis
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Male vs. Female Pelvis Spread of ilium: female more flared
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Unformatted text preview: and cradle-like with anterior iliac spines farther apart vs. more straight up-and-down in male Shape of hole in ischium: smaller and triangular in female vs. larger and rounded in male Angle across pubic symphysis = pubic arch: less than 90 (acute angle) and more sharply angled in male, greater than 90 (obtuse angle) and more rounded in female Inner diameter and distance between ischia larger in female--big enough for head of baby to pass through Bones of the Legs Spinal Disorders Kyphosis- Curvature of the upper spine (thoracic and cervical vertebrae) Spinal Disorders Scoliosis- complex lateral and rotational curvature and deformity of the spine. Spinal Disorders Lordosis- Inward curvature of a portion of the vertebral column, namely cervical and lumbar Spinal Disorders Osteoporosis- compressive fractures in the vertebrae column...
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This note was uploaded on 04/17/2008 for the course SCI Human Bio taught by Professor Mastrangelo during the Winter '07 term at RIT.

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Skeletal System - and cradle-like with anterior iliac...

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