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Mediastinum , mediastinum
1. A membrane in the midline of the thorax of mammals that separates the lungs.
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HEART (Heb. לֵב, lev, pl. לִבּוֹת, libbot; לֵבָב, levav, pl. לְבָבוֹת, levavot). The corresponding Hebrew words only sometimes have the meaning… Life Support , Human space exploration is a critical aspect of space sciences. Although robotic probes are invaluable for preliminary studies or high-risk environme… Heart Murmurs , Definition
A heart murmur is an abnormal, extra sound during the heartbeat cycle made by blood moving through the heart and its valves. It is detecte… Pericardium , per·i·car·di·um / ˌperiˈkärdēəm/ • n. (pl. -car·di·a / -ˈkärdēə/ ) Anat. the membrane enclosing the heart, consisting of an outer fibrous layer and a… Outer Space , The fame of the first achievements in outer space in the 1950s and the high cost of space pro-grams have encouraged a general belief that a new and r…
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