islands of langerhans

English Thesaurus

1. cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones (noun.body)

hypernym	:	ductless gland, endocrine, endocrine gland,
definition	:	any of the glands of the endocrine system that secrete hormones directly into the bloodstream (noun.body)

part meronym	:	pancreas,
definition	:	a large elongated exocrine gland located behind the stomach; secretes pancreatic juice and insulin (noun.body)