Outgrowth is a synonym of appendage.
As nouns the difference between outgrowth and appendage
is that outgrowth is anything that grows out of something else while appendage is an external body part that projects from the body.
outgrowth
English
Noun
(
en noun)
Anything that grows out of something else.
# A branch or offshoot of a plant.
# An appendage of an animal.
# A byproduct or consequence of an action or event.
Derived terms
* neurite outgrowth
* neuronal outgrowth
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