As part of their reproductive cycle, helminths produce egg and sperm cells. Both of these eukaryotic cell types have an outer surface composed of polysaccharides known as the .

Glycocalyx

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The glycocalyx is the covering of carbohydrate that covers the eukaryotic cells and prokaryotic cells, especially  bacteria. In eukaryotic cell, Glycocalyx is used for the recognition of the cell.On bacterial cells, the glycocalyx gives a defensive coat from host factors. The ownership of a glycocalyx on microbes is related with the capacity of the microscopic organisms to build up a contamination.