Transitional cells in the postnatal thyroid gland of the rat.
D000367:Age Factors; D000818:Animals; D004721:Endoplasmic Reticulum; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008854:Microscopy, Electron; D011247:Pregnancy; D051381:Rats; D013961:Thyroid Gland / Q000166:cytology* / Q000254:growth & development