The incurrent canals of a sponge.
Origin of incurrent
- Latin incurrēns incurrent- present participle of incurrere to run upon incur
From American Heritage Dictionary of the English Language, 5th Edition
- From Latin incurrēns (stem incurrēnt-), present active participle of incurrō (“run into, towards or upon”) (whence also incur), from in + currō (“run”).