Outgrowth is a related term of tumescence.
As nouns the difference between outgrowth and tumescence
is that outgrowth
is anything that grows out of something else while tumescence
is a swelling due to the presence of fluid.
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.
* neurite outgrowth
* neuronal outgrowth
A swelling due to the presence of fluid.
A swollen bodily organ; used especially of erectile tissue.