Sinoatrial block



sinoatrial block n.
Failure of an impulse to leave the sinoatrial node. Also called sinoauricular block, sinus block.

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  • Sinoatrial-node

    [sahy-noh-ey-tree-uh l, sahy-] /ˈsaɪ noʊˈeɪ tri əl, ˌsaɪ-/ noun, Anatomy. 1. 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. sinoatrial node n. Abbr. SAN A small mass of specialized cardiac muscle fibers located in the posterior wall […]

  • Sinoauricular block

    sinoauricular block n. See sinoatrial block.



  • Sinoauricular node

    sinoauricular node n. See sinoatrial node.

  • Sin-offering

    (Heb. hattath), the law of, is given in detail in Lev. 4-6:13; 9:7-11, 22-24; 12:6-8; 15:2, 14, 25-30; 14:19, 31; Num. 6:10-14. On the day of Atonement it was made with special solemnity (Lev. 16:5, 11, 15). The blood was then carried into the holy of holies and sprinkled on the mercy-seat. Sin-offerings were also […]



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