Gnathostoma and gnathostomiasis in North East India: III. Ultrastructure of Gnathostoma spinigerum of dog

Present communication describes the ultrastructural morphology of a male and female Gnathotstoma spinigerum collected from dog. The structure of head bulb, arrangement of hooklets in head bulb, papilla, pseudolabia, position of amphid and deirid, cuticular spine characteristics and their spatial distribution that are helpful for species identification have been described with illustrations.