chalasia cha·la·sia (kə-lā'zē-ə, -zhə) or cha·la·sis (-lā'sĭs)
The inhibition and relaxation of a previously sustained contraction of a muscle or synergistic group of muscles, such as the cardiac sphincter.
|a gadget; dingus; thingumbob.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
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