To help, prop up, strengthen or reinforce. A knife bolster is a thick junction between the handle and the knife blade which provides a smooth transition from the blade to the handle. It strengthens the knife, adds durability, and provides a counter-balance. Since the handle is lighter than the blade, the bolster contributes to better balance and improves control. The bolster can extend all the way to the bottom or may be ground to enable full use of the knife edge when chopping, as well as, allow full sharpening. Examples: Bolsters are typically found on forged knives, but can also be added to knives that have been laser cut or stamped.
the vaccinia virus; a laboratory generated virus, antigenically related to the cowpox virus, that causes a lesion on the teat skin of affected cows. It is indistinguishable from cowpox lesions and used to be used to vaccinate humans against smallpox.
Here we show that vaccinia virus induces two distinct forms of cell movement. Virus-induced cell migration was demonstrated by an in vitro wound healing assay in which infected cells migrated independently into the wound area while uninfected cells remained relatively static.n both cases, cell movement was not induced, suggesting that virus protein synthesis was needed within the infected cell. Consistent with this, infections performed in the presence of 300 Î¼g of cycloheximide per ml induced no cell movement (Fig.