Adrenal medulla

Endocrine Glands And Hormones Endocrine Glands And Hormones: The endocrine glands lack ducts and are hence called ductless glands. The secretions of the ductless gland are called hormones.   Ernest Starling was the first person who coined the term “Hormone”. The scientific (new definition from NCERT) definition of Hormones is Read more…