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15 Cards in this Set
- Front
- Back
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Bone panel la that are arranged in rods or plates. |
Trabeculae |
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The structure surrounds and protects the spinal cord, supports the head, and acts as an attachment point for ribs and muscles of the back and neck |
Vertebral column |
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The _____ filament is a group of myelin molecules (fibers). |
thick |
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Two polymers of actin wound together along with tropomyosin and troponin. |
Thin filament |
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What is the structural classification of this joint type with a space ( joint cavity) between the adjoining bones. |
Synovial joint |
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This enzyme breaks down acetylcholine ( Ach) into choline and acetyl. |
Acetylcholinesterase |
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_______ is a globular contractor protein that interacts with myosin for muscle contraction. |
Actin |
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The functional classification of a synovial joint that allows for free movement of the joint |
Diarthrosis |
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Concentric layers of compact bone that surrounds a central. |
Lamellae |
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The _____________ includes the sarcolemma out the muscle fiber that interacts with the neuron. |
motor end plate |
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_________ arc bone cell responsible for bone formation. |
Osteoblast |
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________ are mature bone cells, the main cell in bone tissue, responsible for maintaining the bone matrix. |
Osteocytes |
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The _________ is the plasma membrane of a skeletal muscle fiber (cell). |
sarcolemma |
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The functional unit of skeletal muscle, where contractions occur. |
Sarcomere |
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A regulatory protein inn muscle fibers, acts to block myosin binding sites on actin molecules, preventing cross-bridge formation and preventing contraction until a muscle receives a neuron signal. |
Tropmyosin |
