Circulatory system
Circulatory system: The system that moves blood throughout the body. The circulatory system is composed of the heart, arteries, capillaries, and veins. This remarkable system transports oxygenated blood from the lungs and heart throughout the body via the arteries. The blood goes through the capillaries which are situated between the arteries and veins. And the blood that has been depleted of oxygen by the body is then returned to the lungs and heart via the veins.
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- Circum-
Circum-: Prefix meaning around, surrounding, or encircling. As in circumcision, circumflex, and circumjacent. From the Latin preposition circum meaning round.
- Circumcision
Surgery that removes the foreskin (the loose tissue) covering the glans of the penis. Circumcision may be performed for religious, cultural reasons or health reasons. Newborn circumcision diminishes the risk for cancer of the penis and lowers the risk for cancer of the cervix in sexual partners. It also decreases the risk of urinary tract […]
- Circumflex
Circumflex: Curved like a bow. In anatomy, circumflex describes a structure that bends around like a bow. For example, the circumflex branch of the left coronary artery. In linguistics, a circumflex is a caret-shaped mark (^) used over a vowel to indicate the pronunciation, length or the omission of a letter formerly pronounced. In French, […]
- Circumjacent
Circumjacent: Lying around in the sense of surrounding. Related terms include superjacent, subjacent, and adjacent. From circum-, around + the Latin jacere, to lie = to lie around.
- Cirrhosis
Cirrhosis: Liver disease characterized by irreversible scarring. Alcohol and viral hepatitis, including both hepatitis B and hepatitis C, are among the many causes of cirrhosis. Cirrhosis can cause yellowing of the skin (jaundice), itching, and fatigue. Diagnosis is suggested by physical examination and blood tests, and it can be confirmed by liver biopsy. Complications of […]