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Alternative definitions. ELF is a subradio frequency. [ 14] Some medical peer reviewed journal articles refer to ELF in the context of "extremely low frequency (ELF) magnetic fields (MF)" with frequencies of 50 Hz [ 15] and 50–80 Hz. [ 16] United States Government agencies, such as NASA, describe ELF as non-ionizing radiation with frequencies ...
Muscle synergies are noted in parentheses when relevant. O (Occurrences) Number of times that the named muscle row occurs in a standard human body. Here it may also be denoted when a given muscles only occurs in a male or a female body. By (F) for female and (M) for male, if nothing is denoted. The muscle can be assumed to occur in both genders.
T-tubules (transverse tubules) are extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells.With membranes that contain large concentrations of ion channels, transporters, and pumps, T-tubules permit rapid transmission of the action potential into the cell, and also play an important role in regulating cellular calcium concentration.
This is an alphabetical list of television program articles (or sections within articles about television programs). Spaces and special characters are ignored. This list covers television programs whose first letter (excluding "the") of the title are U , V , and W .
Muscular dystrophies ( MD) are a genetically and clinically heterogeneous group of rare neuromuscular diseases that cause progressive weakness and breakdown of skeletal muscles over time. [ 1] The disorders differ as to which muscles are primarily affected, the degree of weakness, how fast they worsen, and when symptoms begin. [ 1]
Muscular system. The muscular system is an organ system consisting of skeletal, smooth, and cardiac muscle. It permits movement of the body, maintains posture, and circulates blood throughout the body. [ 1] The muscular systems in vertebrates are controlled through the nervous system although some muscles (such as the cardiac muscle) can be ...
Harvard University, with a $49.495 billion endowment as of FY2023, is the wealthiest university in the world. Many colleges and universities in the United States maintain a financial endowment consisting of assets that are invested in financial securities, real estate, and other instruments. The investment yields a return that funds a portion ...
Conning tower: 350 to 400 mm (13.8 to 15.7 in) L 20e α was a design for a class of battleships to be built in 1918 for the German Kaiserliche Marine (Imperial Navy) during World War I. Design work on the class of battleship to succeed the Bayern -class battleships began in 1914, but the outbreak of World War I in July 1914 led to these plans ...