GlossaryDiffuse Goitre: Enlargement of the whole thyroid gland making it smooth to touch.Nodular Goitre: Development of solid or fluid-filled lumps called thyroid nodules inside the thyroid gland. Hyperthyroidism: A kind of thyroid disease, where excess thyroid hormones are secreted.Hypothyroidism: A condition where lower than necessary amount of thyroid hormones are secreted. Published on Jul 25, 2016Last Updated on Jan 02, 2020