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Thyroid Gland, Follicle - Dilation - Gallery

Image of follicle dilation in the thyroid gland from a male B6C3F1 mouse in a chronic study
Thyroid gland, Follicle - Dilation in a male B6C3F1 mouse from a chronic study. There is a single dilated follicle (arrow).
Image of follicle dilation in the thyroid gland from a male B6C3F1 mouse in a chronic study
Thyroid gland, Follicle - Dilation in a male B6C3F1 mouse from a chronic study. This higher magnification of Figure 1 shows the flattened epithelium lining the dilated follicle.
Image of follicle dilation in the thyroid gland from a male F344/N rat in a chronic study
Thyroid gland, Follicle - Dilation in a male F344/N rat from a chronic study. There is dilation of several adjacent follicles.
Image of follicle dilation in the thyroid gland from a male F344/N rat in a chronic study
Thyroid gland, Follicle - Dilation in a male F344/N rat from a chronic study. Higher magnification of Figure 3 shows the flattened epithelium of the dilated follicles and pigmented macrophages in one of the follicles (arrow).