title: Histamine fluorescence in group forming peritoneal cells of the rat embryo.
abstract: In the peritoneal fluid of 18-21-day-old rat embryos the lymphocytes form groups and give an intensive yellow - histamine - fluorescence. The group contain myeloid elements, too. After birth the fluorescence disappears.
mesh_terms: D000818:Animals; D001202:Ascitic Fluid / Q000166:cytology*; D005260:Female; D006632:Histamine / Q000032:analysis*; D008214:Lymphocytes / Q000166:cytology; D008407:Mast Cells / Q000166:cytology; D008856:Microscopy, Fluorescence; D011247:Pregnancy; D051381:Rats
chemical_list: D006632:Histamine