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AP - Muscular
Anatomy And Physciology - Muscular System
| Term | Definition |
|---|---|
| Muscular System | The organ system that allows movement of the body, maintains posture, and circulates blood throughout the body. |
| Muscle Tissue | Specialized tissue in animals that uses contraction to move parts of the body. |
| Skeletal Muscle | Muscle that is connected at either or both extremities with a bone and is involved in mechanical movement. |
| Muscle Fiber | A single muscle cell, known for its cylindrical and multinucleated traits, that contracts to produce movement. |
| Sarcolemma | The cell membrane surrounding a muscle fiber. |
| Muscle Contraction | The activation of tension-generating sites within muscle fibers. |
| Energy Supply for Muscle Contraction | Process involving ATP and other energy sources to facilitate muscle contractions. |
| Oxygen Debt | The amount of extra oxygen required by muscle tissue during recovery from vigorous exercise. |
| Axial Muscles | Muscles that position the head and vertebral column and move the rib cage, assisting in breathing. |
| Appendicular Muscles | Muscles that support the arms and legs and facilitate their movements. |
| Flexion | The action of bending or the condition of being bent, especially of a joint or limb. |
| Muscle Groups | Collections of muscles that typically work together to perform specific movements. |
| Aerobic Respiration | The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. |
| Anaerobic Respiration | Energy-producing process that occurs when oxygen is scarce and produces lactic acid as a byproduct. |
| Sarcomere | The functional unit of muscle fibers responsible for muscle contraction, composed of myosin and actin filaments. |
| Myosin | The protein that, along with actin, facilitates muscle contraction. |
| Actin | A protein that forms (together with myosin) the contractile filaments of muscle cells. |
| Tendon | A flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone. |
| Ligament | A short band of tough, flexible, fibrous connective tissue that connects two bones or cartilages or holds together a joint. |
| Neuromuscular Junction | A synapse between a motor neuron and skeletal muscle, allowing the muscle to contract. |
| Muscular Pathology | Disorders affecting muscle tissue, ranging from genetic malformations to acquired diseases like myopathies. |
| Dystrophy | A group of disorders that involve muscle weakness and loss of muscle mass. |
Created by:
wmtc101
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