As nouns the difference between appendage and pereiopod
is that appendage is an external body part that projects from the body while pereiopod is any of the appendages of a decapod that are used for walking (and for gathering food.
appendage
English
Noun
(
en noun)
an external body part that projects from the body
a natural prolongation or projection from a part of any organism
a part that is joined to something larger
Synonyms
* extremity, member
* outgrowth, process
pereiopod
English
Noun
(
en noun)
Any of the appendages of a decapod that are used for walking (and for gathering food)