1 - Claude Bernard (1855): interested in the study of liver functions and considered that the sugar saved in the liver secretion of the internal and external secretion is yellow.
2 - Starling (1905): Note that the lining membrane of the twelve is a left ventricle in the blood until it reaches the pancreas to alert him to secretion of juices and these chemical messages called the name of hormones (Greek word meaning substances stimulants).
2 - Starling (1905): Note that the lining membrane of the twelve is a left ventricle in the blood until it reaches the pancreas to alert him to secretion of juices and these chemical messages called the name of hormones (Greek word meaning substances stimulants).
