Islets of Langerhans are part of which gland type?

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Prepare for the MTTC Integrated Science (Secondary) Test. Utilize flashcards and multiple-choice questions, each accompanied by hints and explanations. Achieve success in your exam journey!

Multiple Choice

Islets of Langerhans are part of which gland type?

Explanation:
Hormones released directly into the bloodstream define endocrine tissue. The Islets of Langerhans are clusters of hormone-producing cells in the pancreas (producing insulin, glucagon, and other hormones) that secrete their products into the blood rather than into ducts. That ductless, blood-borne secretion is what makes them endocrine glands. The pancreas also has exocrine tissue (acinar cells) that release digestive enzymes into ducts leading to the small intestine, which is the opposite end of the gland-type spectrum.

Hormones released directly into the bloodstream define endocrine tissue. The Islets of Langerhans are clusters of hormone-producing cells in the pancreas (producing insulin, glucagon, and other hormones) that secrete their products into the blood rather than into ducts. That ductless, blood-borne secretion is what makes them endocrine glands. The pancreas also has exocrine tissue (acinar cells) that release digestive enzymes into ducts leading to the small intestine, which is the opposite end of the gland-type spectrum.

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