Anastomose
/əˈnæs.təˌmoʊz/
verb
(of streams and rivers, blood vessels, etc) To join (two or more things) by anastomosis, to interconnect forming a network.
(of rivers, blood vessels, etc) To join by anastomosis.
Synonyms: interconnect, interjoin
adjective
Joined or run together. Interconnected
(of rivers, etc) Joined or run together, ramified, interconnected