Yes. A nematode is covered by a tough cuticle that is periodically shed through ecdysis.
A cuticle is part of the human fingernail. Cuticle can be used to refer to the organic hard outer covering of any organism, including arthropods (of which cricket is a member).
The exoskeleton.exoskeleton
protective cuticle
the cuticle
Cuticle
The cuticle is the outer layer of a nematodes body, even external to the epidermis. It consists of two to three layers.
The external covering on arthropods is called the exoskeleton (or cuticle). It is made of a tough protein called chitin, a long chain polymer comparable to cellulose. Because it's inflexible, arthropods need to shed it (moult) in order to grow.
cuticle it on the leaf for the bugs to eat to keep out posion
The waxy protective covering of a land plant is called a cuticle.
cuticle
cuticle
Porifera or sea sponges have perforated interior wall; coelenterates (Ctenophores and Cnidaria) have a hollow body cavity; nematodes have a round cross section and keratin cuticle; annelids are multiple circular segmented worms; molluscs have a muscular foot and mantle and rounded shell; arthropods are characterized by chitinous exoskeletons and jointed appendages.