3.2. Light microscopic results
3.2.1. Control and vitamin C treated groups
Examination of the semi-thin sections obtained from the thyroid glands of the control group and vitamin C treated showed the normal histological structure. The thyroid gland was formed of follicles of various sizes, each follicle was lined with a single layer of cuboidal epithelial cells and filled with homogenous colloid and separated by capillary beds (Fig. 1).