According to Reference.com, appendages, in zoology and anatomy, are any members of a body diverging from the axial trunk. Appendages can also be defined as subordinate or auxiliary parts attached to something.
In botany and mycology, appendages are subsidiary parts of other parts. Appendages can also mean people in dependent or subordinate positions, such as parasitic or servile followers. Appendages are also organs or parts that are attached to a main structure and subordinate in size and/or function. The word's origin dates back to the mid-17th century, and the adjectives "appendaged" and "unappendaged" are both related forms of the word.Learn More
Arthropods are the group of animals that have jointed appendages. They are distinguished from other animals by their external skeletons and segmented bodies. Arthropods include beetles, spiders, crabs, scorpions and centipedes.Full Answer >
The appendages on the abdomen of the crayfish are called pleopods and uropods. The abdomen has six segments, and the ventral side of the first five segments each have a pair of pleopods or swimmerets. A pair of uropods are present in the sixth segment.Full Answer >
The number of segments a crustacean has varies greatly depending on the species, but it is possible for all the segments of a crustacean to have appendages. The type of appendage differs according to whether it is on the region of the head, thorax or abdomen.Full Answer >
Polypeptides are polymers composed of amino acids bound together by peptide bonds. Information in the messenger RNA determines the exact sequence of amino acids in a polypeptide.Full Answer >