Arthropoda

noun plural

Ar·​throp·​o·​da är-ˈthräp-əd-ə How to pronounce Arthropoda (audio)
: a phylum of invertebrate animals (as insects, arachnids, and crustaceans) having a segmented body and jointed appendages, usually a shell of chitin molted at intervals, and an anterior brain dorsal to the digestive tract and connected with a ventral chain of ganglia
arthropod adjective or noun
arthropodan adjective

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Cite this Entry

“Arthropoda.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Arthropoda. Accessed 13 Apr. 2024.

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