- a cell of the pancreatic islets of the guinea pig;
- calcitonin-secreting round or spindle shaped follicular thyroid cell; ultrastructurally contains numerous 60–550 nm neuroendocrine granules; best identified immunohistochemically with antibodies to calcitonin.
Synonym(s): gamma cell of pancreas
See Also: medullary carcinoma of thyroid
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Examples: glitazone, GI cocktail, etc.