1. To open one structure into another directly or by connecting channels, said of blood vessel s, lymphatics, and hollow viscera; also incorrectly applied to nerves. 2. To unite by means of an anastomosis, or connection between formerly separate structures.
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anas·to·mose ə-'nas-tə-.mōz, -.mōs vb, -mosed; -mos·ing vt to connect or join by anastomosis vi to communicate by anastomosis
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anas·to·mose (ə-nasґtə-mōs) 1. to connect with one another by anastomosis, as arteries and veins. 2. to create a connection between two formerly separate structures.Medical dictionary. 2011.