title: The mesenchyme during development: composition of the ground substance, regulatory factors, embryological significance.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D003238:Connective Tissue / Q000196:embryology*; D004591:Electrophoresis, Polyacrylamide Gel; D004947:Esophagus / Q000196:embryology; D006025:Glycosaminoglycans / Q000378:metabolism*; D006651:Histocytochemistry; D007421:Intestine, Small / Q000196:embryology; D008168:Lung / Q000196:embryology
chemical_list: D006025:Glycosaminoglycans