Medical Definition of Arbor vitae
1.
1. An evergreen tree of the cypress tribe, genus Thuja. The American species is the T. Occidentalis.
2. The treelike disposition of the gray and white nerve tissues in the cerebellum, as seen in a vertical section.
Origin: L, tree of life.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Arbor Vitae
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