drainpipe cells

drainpipe cells

any epithelial cells (see EPITHELIUM with an intracellular lumen in the form of a drainpipe joined end to end, as in the TRACHEOLES of insects and excretory ducts of flatworms.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005