title: EVOLUTION. Comb jelly 'anus' guts ideas on origin of through-gut.
authors.forename: Amy
authors.initials: A
authors.lastname: Maxmen
mesh_terms: D001003:Anal Canal / Q000033:anatomy & histology*; D000818:Animals; D005075:Biological Evolution; D037302:Ctenophora / Q000033:anatomy & histology* / Q000235:genetics; D017422:Sequence Analysis, DNA