Echinocyte is a word that refers to a medical condition where the red blood cells become spiny or crenulated. This condition can occur due to a number of reasons, such as liver disease or toxins in the blood. However, there are other ways to describe this condition using synonyms. For example, you may hear medical professionals use the term burr cell, crenated cell or even hedgehog cell. Burr cell is used due to the resemblance to the burr of a plant. Crenated cell refers to the crenulations, while hedgehog cell implies the spiny, prickly appearance of the cells. These synonyms can help to better communicate the condition and allow for a clearer understanding of the medical situation at hand.