a rope
They start with letter a
An articulus is a joint or segment of an appendage of an arthropod.
The gnathite is the mouth-like appendage of an arthropod. It is used by these invertebrates for grasping and chewing.
Biramous
Compare molting and metamorphos
The most common appendage would be the leg. Arachnids have eight legs, centipedes have LOTS of legs. I'm not sure how many legs the crustaceans have. I think it's eight. But many crustaceans have modified their two front legs into pincers. And insects have six legs. Another example of an arthropod appendage is the mandible. That's what they have instead of jaws. Mandibles open side to side instead of up and down.
The uvula
Which appendage.
Appendage is a noun.
A blackbird is a bird. A woodlouse is an arthropod.
The appendages of Arthropods are jointed. Each body segement has a pair of appendages. The original structure of Arthropod appendages was likely to have been biramous. Modern Arthropods can have either biramous or uniramous limbs. Biramous limbs branch out into two.
An arthropod