/suy"noh ay"tree euhl, suy'-/ , Anat.
a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions. Also called sinus node .
[ 1920-25; SINO- + ATRIAL ]
/suy"noh ay"tree euhl, suy'-/ , Anat.
a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions. Also called sinus node .
[ 1920-25; SINO- + ATRIAL ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012