SINOATRIAL Antonyms

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

• relating to or affecting the atria and ventricles of the heart

• any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)

• the central area in a building; open to the sky

• of or relating to the heart

• a natural or artificial enclosed space

• an enclosed volume in the body

• a room where a judge transacts business

• a deliberative or legislative or administrative or judicial assembly

• a room used primarily for sleeping

• place in a chamber

• the locus of feelings and intuitions

• the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body

• the courage to carry on

• an area that is approximately central within some larger region

• the choicest or most essential or most vital part of some idea or experience

• an inclination or tendency of a certain kind

• a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines

• a firm rather dry variety meat (usually beef or veal)

• a positive feeling of liking

• a playing card in the major suit that has one or more red hearts on it

• one of the contractile organs of the body

• animal tissue consisting predominantly of contractile cells

• a bully employed as a thug or bodyguard

• authority or power or force (especially when used in a coercive way)

• possessing muscular strength

• make one's way by force

• the basic rhythmic unit in a piece of music

• recurring at regular intervals

• an interval during which a recurring sequence of events occurs

• the arrangement of spoken words alternating stressed and unstressed elements

• natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)

• (architecture) the repetitive use of a group of visual elements to establish a recognizable pattern

• of or relating to a ventricle (of the heart or brain)