Pearse, who developed the APUD concept in the 1960s based on calcitonin-secreting parafollicular C cells of dog thyroid.
[1] These cells share the common function of secreting a low molecular weight polypeptide hormone.
There are several different types which secrete the hormones secretin, cholecystokinin and several others.
The name is derived from an acronym, referring to the following:[2][3]
This cell biology article is a stub.