Possible protective role of L-thyroxin on the parotid gland of adult male albino rat in carbimazole induced hypothyroidism: histological, histomorphometry, and ultrastructural study.

Background: Thyroid disorders are among the most common metabolic disorders worldwide. Thyroid dysfunction affects salivary glands function, causing hyposalivation. It also provokes physiological and histological changes in parotid, submandibular, and in particular the sublingual gland.