On the foetal thyroid.
D009008:Abnormalities, Severe Teratoid; D004194:Disease; D005333:Fetus; D006801:Humans; D013959:Thyroid Diseases; D013961:Thyroid Gland / Q000196:embryology*; D014781:Viscera
MONSTERS; THYROID GLAND/diseases; THYROID GLAND/embryology