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sinus British & World English

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities

sinuses in sinus British & World English

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities

sinus venosus British & World English

The first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium

coronary sinus British & World English

A wide venous channel about 2.25 centimeters in length that receives blood from the coronary veins and empties into the right atrium of the heart

sinus venosi in sinus venosus British & World English

The first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium

sinus English-Spanish

seno masculine (nasal)