Terms : Hide Images
| 5210032901 | Skeletal muscle | Characterized by a hierarchy of smaller and smaller units | 0 | |
| 5210045096 | Microfibrils | Smaller bundles that are arranged longitudinally to make up muscle fibers | 1 | |
| 5210114407 | Myofilaments | 2 different filaments that make up myofibrils | 2 | |
| 5210168723 | Thin filaments | Consists of two strands of actin and one strand of regulatory protein | 3 | |
| 5210177623 | Thick filaments | Staggered arrays of myosin molecules | 4 | |
| 5210184494 | Striated muscle | Regular arrangement of myofilaments creates a pattern of light/dark bands (heart/skeletal) | 5 | |
| 5210196742 | Sarcomere | The functional unit of a muscle (bordered by Z-lines) | 6 | |
| 5210202779 | Sliding filament model | Filaments slide past each other longitudinally, producing more overlap between thin and thick filaments | 7 | |
| 5210218377 | Tropomyosin | Blocks myosin-binding sites on the thin filament when a muscle is at rest | 8 | |
| 5210239595 | Troponin complex | Occurs when calcium ions bind to a set of regulatory proteins | 9 | |
| 5210313907 | Transverse tubules | The path that action potentials use to travel to the interior muscle fiber | 10 | |
| 5210324612 | Sarcoplasmic reticulum | Releases Ca² due to the action potential traveling along tubules | 11 | |
| 5210366810 | Motor unit | Consists of a single motor neuron and all the muscle fibers it controls | 12 | |
| 5210369936 | Recruitment | Leads to stronger contractions by using multiple motor neurons | 13 | |
| 5210380581 | Tetanus | A state of smooth and sustained contraction produced when motor neurons deliver a volley of action potentials | 14 | |
| 5210388963 | Myoglobin | A protein that binds oxygen more tightly than hemoglobin does | 15 | |
| 5210396867 | Slow twitch fibers | Fibers that contract more slowly, but sustain longer contractions (uses oxidative) | 16 | |
| 5210406067 | Fast twitch fibers | Fibers that contract more rapidly, but sustain shorter contractions (uses glycolytic or oxidative) | 17 | |
| 5210417592 | Cardiac | Striated cells electrically connected by intercalated discs | 18 | |
| 5210422102 | Intercalated discs | The way that the striated cells of the heart are electrically connected | 19 | |
| 5210436903 | Smooth muscle | Found mainly in walls of hollow organs, contractions are relatively slow and may be initiated by the muscles themselves | 20 | |
| 5210444094 | Hydrostatic skeleton | Consists of fluid held under pressure in a closed body compartment | 21 | |
| 5210452048 | Peristalsis | A type of movement on land produced by rhythmic waves of muscle contractions | 22 | |
| 5210458084 | Exoskeleton | A hard encasement deposited on the surface of an animal | 23 | |
| 5210462956 | Endoskeleton | Consists of hard supporting elements, such as bones, buried in soft tissue | 24 |
