Question

what is the renttie cells

Answer 1

Nematodes possess a glandular system (secretary – excretory system) composed of renette cells unique to the phylum. Its function is believed to be something like an excretory system. Renette varies among the species.

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Answer 2

In many marine nematodes, one or two unicellular 'renette glands' excrete salt through a pore on the underside of the animal, close to the pharynx. In most other nematodes, these specialised cells have been replaced by an organ consisting of two parallel ducts connected by a single transverse duct.