[Compensatory responses in lymph nodes following by prenatal indomethacin exposure]

Retardation of development of the structures of mesenteric lymph nodes (maximum at first 1-2 wks) was discovered in rats treated with indometacin. It was dependent on the doze of preparations. Mast cells and eosinophilic reactions associated with normalization of the stroma structure and functional activity of lymph nodes nerve structures took place in the lymph node substance as adaptive processes on the background of lymphocytopenia and incomplete development of the lymph node B zone by weeks 2-3.