OntologieshaoclassesHAO:0000240   
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cuticle
http://purl.obolibrary.org/obo/HAO_0000240

The acellular anatomical structure that is the external layer of the integument (covers the entire body surface as well as lines ectodermal invaginations such as the stomodeum, proctodeum and tracheae) and produced by the epidermal cells.

Related Synonyms
cuticula
exoskeleton