One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to but less severe than Rocky Mountain spotted fever. Symptoms include fever, a small ulcer (eschar) at the site of the tick bite, swollen glands near the site of the bite (satellite lymphadenopathy), and a red, raised (maculopapular) rash.
- Rift Valley fever
A viral disease that is acute, causes fever in domestic animals (such as cattle, buffalo, sheep, goats, and camels) and humans, and is associated with mosquito-borne epidemics during years of heavy rainfall. Rift Valley fever is more deadly than West Nile virus. Rift Valley fever has not occurred in the United States (through 2003). However, […]
- 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.
- 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 […]