Protection from this shingles vaccine lasts about 5 years, so adults vaccinated before they are 60 years old might not be protected later in life when the risk for shingles and its complications are greatest.
arbor vitae - Latin for tree of life : 1. A 17 th century literary euphemism for the penis . See penis for synonyms. 2. In anatomy, the branching ridges and folds within the cervix of the uterus.
Definition of arbor. 1  1 : a spindle or axle of a wheel. 2  2 : a main shaft or beam. 3  3 : a shaft on which a revolving cutting tool is mounted. 4  4 : a spindle on a cutting machine that holds the work to be cut.