title: Origin and distribution of specific spindle cells in early mouse embryos.
mesh_terms: D000818:Animals; D005260:Female; D051379:Mice; D008937:Mitomycins / Q000494:pharmacology; D011247:Pregnancy; D014083:Tooth Germ / Q000166:cytology / Q000196:embryology*
chemical_list: D008937:Mitomycins