1. The right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
   - right atrium, right atrium of the heart

Type of: atrium cordis, atrium of the heart

• altostratus cloud
• altricial
• altruism
• altruist
• altruistic
• altruistically
• alula
• alular
• alum
• alumbloom
• alumina
• aluminate
• aluminiferous
• aluminise
• aluminium
• aluminium bronze
• aluminium business
• aluminium chloride
• aluminium foil
• aluminium hydroxide
• aluminium industry
• aluminium oxide
• aluminize
• aluminosilicate
• aluminous