isles of Langerhans vs islands of Langerhans

isles of Langerhans and islands of Langerhans both are nouns.

Word	Noun	Adjective	Verb	Adverb
isles of Langerhans	Yes	No	No	No
islands of Langerhans	Yes	No	No	No

As nouns, isles of Langerhans and islands of Langerhans are synonyms defined as:

isles of Langerhans and islands of Langerhans: cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones

Other synonyms of isles of Langerhans include islets of Langerhans.

isles of Langerhans (noun)	islands of Langerhans (noun)
cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones	cell clusters in the pancreas that form the endocrine part of that organ; secrete insulin and other hormones