Elaboration in the form of the feelers, often a secondary sexual character in male insects, may result from a distal broadening of the segments, so that the appendage becomes serrate, or from the development of processes bearing sensory organs, so that the structure is pinnate or feather-like.
A is the condition of insinking of the sternal surface and consequent enclosure of the lamelligerous surface of the appendage in a chamber with narrow orifice - the pulmonary air - holding chamber.
In the more primitive forms the appendage of every post-oral somite has a gnathobase and two rami; in higher specialized forms the gnathobases may be atrophied in every appendage, even in the first post-oral.
When the eye-stalk is removed from a living lobster or prawn, it is found that under certain conditions a many-jointed appendage like the flagellum of an antennule or antenna may grow in its place.
In the nectosome one or more of the following types of appendage occur: I.
When adult the males may always be distinguished from the females by the presence of a pair of horny intromittent organs, one of which is lodged in the terminal segment of each palpus or appendage of the second pair.
The term is also used in botany of the crown-like appendage at the top of compound flowers, the diminutive being coronule.
PrGabp l, Rudiment of the appendage of the praegenital somite which disappears.
The two pairs of spinning appendages retain their primitive position in the middle of the lower surface of the opisthosoma far in advance of the anus on the 3rd and 4th somites, each appendage consisting of a stout, many-jointed outer branch and a slender, unsegmented inner branch.
Each appendage as a distinct in i, Tentacle.