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Q.
Islets of Langerhans are
Chemical Coordination and Integration
Solution:
The endocrine pancreas consists of islets of
Langerhans. There are about $1$ to $2$ million islets of
Langerhans in a normal human pancreas representing
only $1$ to $2$ per cent of the pancreatic tissue. The two
main types of cells in the islets of Langerhans are called
$\alpha$ -cells and $\beta$-cells.