title: Some experiences with ultracytochemical demonstration of aryl sulphatase activity in the cleaving rat ovum.
mesh_terms: D000818:Animals; D001192:Arylsulfatases / Q000378:metabolism*; D001755:Blastocyst / Q000201:enzymology; D005260:Female; D006651:Histocytochemistry; D010063:Ovum / Q000201:enzymology*; D051381:Rats; D013429:Sulfatases / Q000378:metabolism*
chemical_list: D013429:Sulfatases; D001192:Arylsulfatases