six1 | xenopus | | olfactory system [+] olfactory placode,Jacobson's organ,olfactory organ,olfactory pit,olfactory nerve,olfactory epithelial support cell,olfactory bulb,medium cavity,principal cavity,olfactory sensory neuron,accessory olfactory bulb,external plexiform layer of the olfactory bulb,glomerular layer of the olfactory bulb,granule cell,granule cell layer of the olfactory bulb,mitral cell,mitral cell layer of the olfactory bulb,olfactory epithelium,Bowman's gland,Jacobson's organ,choana,olfactory nerve,olfactory organ,olfactory pit | |