part_of part of part of contained in existence overlaps material entity proximal tubule ciliated epithelial cell proximal tubule epithelial cell PMID:29674431 PMID:21828097 Ciliated epithelial cells that assemble into proximal tubules. Planarian_Anatomy proximal tubule cell BTO:0006154 https://orcid.org/0000-0003-2569-1939 | https://orcid.org/0000-0002-7535-4407 anterior region of the whole animal dorsal region of the whole animal posterior region of the whole animal juvenile stage head region prepharyngeal region parapharyngeal region tail region adult hermaphrodite asexual adult copulatory region