A typhlosole is an internal fold of the intestine or intestine inner wall. Typhlosoles occur in bivalve mollusks, lampreys and some annelids and echinoderms.

Electron microscopy of the leucocytes of the typhlosole in ammocoetes, with special attention to the antibody-producing cells
Fujii, T. Electron microscopy of the leucocytes of the typhlosole in ammocoetes, with special attention to the antibody-producing ce...
Surface porous typhlosole floor tile
Evaluating evolutionary pressures and phylogenetic signal in earthworms: a case study – the number of typhlosole lamellae in Hormog...
Electron microscopy of the leucocytes of the typhlosole in ammocoetes, with special attention to the antibody- producing cells (p?8...
The structure and function of the digestive system of terrestrial isopods
Development of the connective tissue in the digestive tract of the larval and metamorphosing Xenopus laevis.
Connective tissue is involved in adult epithelial development of the small intestine during anuran metamorphosis in vitro
History of Clitellata
Cell specialization in the epithelium of the small intestine of feeding Xenopus laevis