anastomosis
Concise Oxford English Dictionary © 2008 Oxford University Press:
anastomosis /əˌnastəˈməʊsɪs/
▶noun (pl. anastomoses /-siːz/) technical a cross-connection between adjacent channels, tubes, fibres, or other parts of a network.
■ Medicine a connection made surgically between adjacent blood vessels, parts of the intestine, or other channels of the body.
– derivatives
anastomotic adjective & noun.
anastomotic adjective & noun.
– origin C16: mod. L., from Gk anastomōsis, from anastomoun ‘provide with a mouth’.
'anastomosis' also found in these Oxford entries:

