title: When one is (more than) enough! The singular ovary in birds….
authors.forename: Gary M
authors.initials: GM
authors.lastname: Wessel
mesh_terms: D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D019521:Body Patterning; D005260:Female; D008297:Male; D010053:Ovary / Q000033:anatomy & histology*; D012733:Sex Differentiation; D013737:Testis / Q000033:anatomy & histology