What is the difference between duct and ductless glands?
* Exocrine glands are duct glands and Endocrine glands are ductless glands. *Endocrine glands are ductless glands which secrete hormones. Hormones are chemical messengers secreted by endocrine glands directly into the blood. ... Examples of exocrine glands are Liver, Pancreas, salivary glands etc.