typhlosole

(tĭf′lə-sōl′)

A longitudinal fold of the intestinal wall in certain invertebrates that increases the absorptive and digestive surface area of the intestine.

typhlosole

a dorsal unfolding of the earthworm's intestine, along its whole length, that increases its surface area for digestive purposes.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

References in periodicals archive

Laminar typhlosole visible from 20/21, occupying 1/2-1/3 of intestinal lumen.

NUEVAS LOMBRICES DE TIERRA ACANTHODRILIDAS DE LOS GENEROS PROTOZAPOTECIA Y TRIGASTER DE CUBA (ANNELIDA, CRASSICLITELLATA)

Those that are accepted continue to the major typhlosole, or the minor typhlosole where it penetrates into the ducts of the digestive diverticula, on the right or left side of the stomach.

The anatomy and functional morphology of Diplodon rhombeus fontainianus (Orbigny, 1835) (Mollusca Bivalvia, Hyriidae)/Anatomia funcional e morfologia de Diplodon rhombeus fontainianus (Orbigny, 1835) (Bivalvia: Hyriidae)

Interestingly, in the intestine there is an area called the longitudinal fold (typhlosole), which does not exhibit any AP activity as most cells are nongranulated, and this structure probably is involved mainly in the absorption, whereas the rest of intestine synthesizes and secretes the protease enzyme.

Aminopeptidase reactivity in the digestive tract of adult abalone Haliotis asinina linnaeus

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