Islets of Langerhans are irregularly shaped patches of endocrine tissue located within the pancreas. There are about 1 to 2 million Islets of Langerhans in a normal human pancreas. These tissues have two kind of cells namely . The secrete the glucagon hormone and the secrete the insulin hormone
What is goitre?
Goitre is the condition in the the thyroid gland is enlarged and the neck portion becomes swollen .It is due to the deficiency of iodine in our diet which results in the less production and secretion of the thyroid hormones that is hypothyroidism.