Like many of Oates's heroines, Rebecca must outmaneuver her creator's literary purposes every bit as much as she must escape the social barriers of her world.
As more states adopt more restrictive laws and the number of clinics dwindles in the so-called "abortion desert" – an area that stretches from Florida to New Mexico and north into the Midwest – women are increasingly traveling across state lines to avoid long waits for appointments and escape the legal barriers in their home states.
The sustainability of a malignant tumour requires multiple cellular events by which the cancer cells acquire growth factor independence, escape cellular apoptosis mechanisms, create a self-sustaining environment and escape the neighbouring barriers by migrating and colonising to a distant site (Hanahan and Weinberg, 2000).
MIND xenotransplantation is a realistic human DCIS model because it mimics the entire process of DCIS progression, including ductal growth as in situ lesions followed by their invasion as they escape the natural barriers of normal myoepithelial cells and the basement membrane.
"DEEP in my earliest culinary memory," Tamasin Day-Lewis writes in her new book, "The Art of the Tart" (Random House, $24.95), "lies the nutty scent of dough of the crimped-edged tarts, with their bubbling lava flow of jam struggling to break through the banks and escape the crust barrier".
The presence of two ST1-strains in Kumla suggests that the Håtunaholm population is a recent expansion of an immigrant from the Kumla region, or that the clonal variants in Håtunaholm occasionally escape the inland seawater barriers.
This might probably be the reason why the drug-loaded nanoparticles are internalized more into the cells and escape the multiple drug resistance barriers (Shi et al. 2008; Garcion et al. 2006).
On the other hand, cancer cells escape these barriers and they are capable of indefinite growth and division (immortality).
Crossing the epithelial barrier allows Salmonella to escape the inhospitable environment at the surface of the intestinal mucosa and to evade many antimicrobial defenses.
Fans knocked over barriers in the stands in the rush to escape the tear gas and each other.
