Loss of heteropycnosis of the constitutive heterochromatin in specifically activated cells of the thyroid gland of Microtus agrestis.
D000818:Animals; D002466:Cell Nucleolus; D002467:Cell Nucleus; D004847:Epithelial Cells; D005260:Female; D006570:Heterochromatin; D008297:Male; D008779:Methylthiouracil; D008938:Mitosis; D010280:Parathyroid Glands / Q000166:cytology; D012377:Rodentia; D012728:Sex Chromatin; D013961:Thyroid Gland / Q000166:cytology*; D013972:Thyrotropin; D013997:Time Factors
D006570:Heterochromatin; D013972:Thyrotropin; D008779:Methylthiouracil