part of part of develops_from mixed endoderm/mesoderm-derived structure cloaca epithelium endoderm digestive tract epithelium endo-epithelium meso-epithelium cloacal epithelium An epithelium that is part of a cloaca. EMAPA:27577 EMAPA:27640 EMAPA:36070 UBERON:0012481 ZFA:0005783 cloacal endoderm cloacal epithelium (cle) (syn: cloacal endoderm) (TS17-TS20): the cloacal epithelium is derived from endoderm and lines the cloacal cavity. It is marked by Shh and Cdh1 and lines the cloacal lumen. The cloacal epithelium gives rise to the urogenital sinus epithelium, hindgut epithelium and the urethral plate epithelium. uberon