1. Of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)

See also: atrium

Encyclopedia: Atrial

• tetrabasic acid
• tetrabromo-phenolsulfonephthalein
• tetracaine
• tetrachlorethylene
• tetrachloride
• tetrachloroethylene
• tetrachloromethane
• tetrachord
• tetrachoric correlation
• tetrachoric correlation coefficient
• Tetraclinis
• Tetraclinis articulata
• tetracycline
• tetrad
• tetradecanoic acid
• tetraethyl lead
• tetrafluoroethylene
• tetragon
• tetragonal
• Tetragonia
• Tetragonia expansa
• Tetragonia tetragonioides
• Tetragoniaceae
• Tetragonurus
• tetragram