Question
Study the diagram given below and then answer the question that follows:
Why is the pancreas referred to as an exo-endocrine gland?
Why is the pancreas referred to as an exo-endocrine gland?
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Answer
An endocrine gland is one which does not pour its secretions into a duct, while an exocrine gland is a gland which pours its secretions into a duct. Because the pancreas produces hormones such as insulin, glucagon and somatostatin directly into the blood and not into a duct, it functions as an endocrine gland. Because it secretes the pancreatic juices for digestion via a duct, it functions as an exocrine gland. Hence, the pancreas is an exo-endocrine gland.
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