alleryStart learning →Which islet cell makes insulin, and roughly what share of the islet does it form?
AThe alpha cell, about 75 percent
BThe delta cell, about 20 percent
CThe beta cell, about 75 percent
DThe beta cell, about 20 percent
Answer & Solution
Correct answer: C. The beta cell, about 75 percent
1. The pancreatic islets contain four cell varieties with different products.
2. The beta cell makes insulin and forms roughly 75 percent of each islet.
3. The alpha cell makes glucagon and forms about 20 percent.
4. Delta cells account for about four percent and PP cells for about one percent, so neither could be the insulin producer.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 17 "The Endocrine System", section 17.9 The Endocrine Pancreas_
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