B. M. Gallo, Carla S. Costa, Waldemar Furriel, Angelica L. Bastos, Ana J. B. Sampaio, Francisco Photomicrographs of elastic system fibers in the corpus cavernosum and corpus spongiosum (brown tint) of fetal penis at different ages in weeks post-conception (WPC). <p>A) Corpus cavernosum, fetus of 13 WPC; B) Corpus spongiosum, fetus of 13 WPC; C) Corpus cavernosum, fetus of 20 WPC; D) Corpus spongiosum, fetus of 20 WPC; E) Corpus cavernosum, fetus of 30 WPC; F) Corpus spongiosum, fetus of 30 WPC. Immunostaining for elastin, X1000.</p> nih;Image J software;corpus cavernosum;system fibers;Muscle fibers;collagen;Erectile Tissue Components;usa;WPC;Fetal Period BackgroundThe penile erectile tissue;corpus spongiosum 2014-08-29
    https://plos.figshare.com/articles/figure/_Photomicrographs_of_elastic_system_fibers_in_the_corpus_cavernosum_and_corpus_spongiosum_brown_tint_of_fetal_penis_at_different_ages_in_weeks_post_conception_WPC_/1155740
10.1371/journal.pone.0106409.g003