Pathology is the precise study of the causes and consequences of a disease. The two major components of pathology are anatomical studies of structure and function at levels ranging from the whole ...

A cyst is a closed pocket of tissue that contains fluid or debris. Cysts can form anywhere on the body. Their texture varies depending on the material that has become trapped inside the pocket.

Blood pressure and heart rate (pulse) are two important vital signs measured during a healthcare visit. Blood pressure (BP) is a measure of the force of blood on the blood vessel walls. Blood vessels ...

But if the sample shows signs of pus or blood, the area may need to be drained. Blood in the fluid could mean a cyst has ruptured or there is a tear. It could also be a sign of an ectopic pregnancy.