Thyotrophs are localized in proximal pas distalis (PPD) of the pituitary gland.Immunoreactivity of TG is found within the thyroid29follicle lumina and cytoplasm of follicle epithelial cells.
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- 在三种形态的滤泡上皮细胞的胞质中都可见运输小泡、分泌泡、胶质小滴、初级溶酶体和次级溶酶体等具膜的泡状结构。