title: Developmental biology. Angles on activin's absence.
authors.forename: J
authors.initials: J
authors.lastname: Smith
mesh_terms: D029404:Activin Receptors; D028341:Activins; D000818:Animals; D005314:Embryonic and Fetal Development / Q000502:physiology*; D005260:Female; D038681:Follistatin; D006023:Glycoproteins / Q000235:genetics / Q000502:physiology*; D006133:Growth Substances / Q000235:genetics / Q000502:physiology*; D007265:Inhibins / Q000235:genetics / Q000502:physiology*; D008648:Mesoderm / Q000502:physiology; D051379:Mice; D009420:Nervous System / Q000196:embryology; D017978:Receptors, Growth Factor / Q000502:physiology; D014981:Xenopus
chemical_list: D038681:Follistatin; D006023:Glycoproteins; D006133:Growth Substances; D017978:Receptors, Growth Factor; D028341:Activins; D007265:Inhibins; D029404:Activin Receptors