Phosphatidic Acid Definition:

A phosphoric monoester, which is the simplest kind of phosphoglyceride.

Phosphatidic Acid Explained:

Any derivative of glycerol where hydroxyl is esterified with phosphoric acid and the reaming 2 are esterified by fatty acids. The second messenger with direct biological functions. It is specifically recognized by diverse proteins and plays an important role in cellular signaling and membrane dynamics in all eukaryotes