The most important evidence in favour of their appendicular nature is afforded by the phenomena of regeneration.
The remainder of the appendicular skeleton (fig.
The leaf (phyllome) is an appendicular member only borne by a stem, but differing from it more or less obviously in form and development, though co-ordinate with it in complexity of structure.
Klapalek (1904) lays stress on a supposed distinction between appendicular and non-appendicular genital processes.
The emergence is also an appendicular member of more complex structure than the hair (e.g.
The compound eyes of insects resemble so closely the similar organs in Crustaceans that there can hardly be reasonable doubt of their homology, and the primitively appendicular nature of the eyes in the latter class suggests that in the Hexapoda also they represent the appendages of an anterior (protocerebral) segment.
The pollinia are also provided with an appendicular staminal covering (fig.