Parenquimático

Parenquimático refers to the functional tissue of an organ, as distinguished from the connective and supporting tissues. In histology, parenchyma is the tissue of a gland or organ, composed of specific functional cells. For example, the parenchyma of the liver consists of hepatocytes, while the parenchyma of the kidney is made up of nephrons. The term is derived from the Greek words "para" meaning beside and "enchyma" meaning infusion or filling. It is the essential part of the organ responsible for its specific functions.

The parenchymal tissue is typically involved in the primary activity of the organ. In glands, it secretes substances, while in organs like the lungs, it is responsible for gas exchange. The stroma, in contrast, is the supportive connective tissue framework that surrounds and supports the parenchyma. This distinction is fundamental in understanding the structure and function of many biological organs. For instance, in a tumor, parenchymal cells are the cells that form the tumor itself, whereas stromal cells would be the supporting connective tissue. Understanding parenchymal components is crucial for diagnosing and treating diseases affecting specific organs.