subdivision of organism along appendicular axis
A major subdivision of an organism that divides an organism along an axis perpedicular to the main body anterior-posterior axis. In vertebrates, this is typically a fin or limb segment. In insects, this includes segments of appendages such as antennae, as well as segments of the insect leg. [ https://orcid.org/0000-0002-6601-2165 ]
Synonyms: appendicular segment, appendage segment