title: Homology of echinoderm radial nerve cords and the chordate neural tube???
authors.affiliation: Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
authors.forename: Claus
authors.initials: C
authors.lastname: Nielsen
mesh_terms: D000818:Animals; D002490:Central Nervous System; D043344:Chordata; D015870:Gene Expression; D010802:Phylogeny; D011826:Radial Nerve; D012617:Sea Urchins