Larger Image p4ha3 gene expression in Xenopus laevis, NF stage 15 embryo, in situ hybridization, anterior view, dorsal top. Image copyrighted by: XDB3 Copyright © XDB3 Gene Synonyms Species Stage(s) Tissue p4ha3.L 4-ph alpha-3, c-p4h alpha iii X. laevis Throughout NF stage 15 ectoderm epidermis Image source: Community submitted Permanent Image Page Printer Friendly View XB-IMG-22781