Right atrium
The right upper chamber of the heart. The right atrium receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle which then sends it to the lungs to be oxygenated.
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- Right heart
The right atrium and right ventricle.
- Right hepatic duct
The duct that drains bile from the right half of the liver and joins the left hepatic duct to form the common hepatic duct.
- Right ventricle
The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery. The tricuspid valve is located between the right atrium and right ventricle and ensures the flow of blood from the right atrium into the right ventricle and […]
- Right-handed
The preferential use of the right hand for most fine manual tasks. Approximately 90% of the population is right-handed. In French, the word for right is droit and the word for left is gauche meaning clumsy or awkward. In Latin the word for right is dexter (as in dexterity) and the word for left is […]
- Rigor
1. A chill, usually with shivering, as at the onset of high fever and chills. 2. Rigidity, as in rigor mortis, the rigidity of a body after death. The alternate spelling rigour is chiefly British. From the French, from the Latin rigor, meaning stiffness, from rigere, to be stiff.