A) pancreas
B) stomach
C) liver
D) alimentary canal
Correct Answer: A
Solution :
The 'islets of Langerhans' are the dusters of cells of the endocrine portion of pancreas. These contain 4 types of cells : (i) Alpha cells (32-38%) secreting glucagon (ii) Beta cells (60-70%), secreting insulin, (iii) Delta and F-cells (2-8%), secreting somatostatin. The three different cells are of different shape and size, present in different locations.
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