nemato-, nemat-, nemati-

Consisting of marine hairworms with a parasitic stage in various crustaceans: Nectonematoidea have a double row of natatory bristles used in swimming, and an expansive pseudocoel, a body cavity which is not a normal stomach.

1. Relating to thread, threadlike.
2. A nematode; especially, one of the free-living forms.
3. A reference to any of several unsegmented worms of the phylum Nematoda, having unsegmented, with elongated rounded body or cylindrical bodies, often narrowing at each end, and including parasitic forms; such as, the hookworm and pinworm.

A substance or preparation employed to kill nematode (round) worms.

In certain colonial hydrozoans, a small polyp which has no mouth but engulfs organisms by pseudopodia.