Search Result for "left atrium":
Wordnet 3.0

NOUN (1)

1. the left upper chamber of the heart that receives blood from the pulmonary veins;
[syn: left atrium, left atrium of the heart, atrium sinistrum]



WordNet (r) 3.0 (2006):

left atrium
    n 1: the left upper chamber of the heart that receives blood
         from the pulmonary veins [syn: left atrium, left atrium
         of the heart, atrium sinistrum]