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Right border of heart : ウィキペディア英語版 | Right border of heart
The right margin of the heart (right border of heart) is long, and is formed by the right atrium above and the right ventricle below. * The ''atrial portion'' is rounded and almost vertical; it is situated behind the third, fourth, and fifth right costal cartilages about 1.25 cm. from the margin of the sternum. * The ''ventricular portion'', thin and sharp, is named the ''acute margin''; it is nearly horizontal, and extends from the sternal end of the sixth right coastal cartilage to the apex of the heart. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Right border of heart」の詳細全文を読む
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