The islets of Langerhans are the parts that secrete insulin and glucagon.

This plant secretes a special liquid.

His body started excessive secretion in response to stress.

My father underwent pancreas surgery.

It's difficult to solve a part of this problem.

We went to that island during the summer vacation.

He was diagnosed with pancreatic cancer.

Mr. Shima is my best friend.

We visited the beautiful island of Okinawa during the summer vacation.

He lives on a beautiful remote island.