Word: barriers
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...would suspect in the last five years that the candidates are being judged for administrative positions purely on their merits," says Huidekoper. "Ten years ago women had more of a barrier than they...
Like the diaphragm, the cap is a barrier contraceptive that blocks sperm from passing from the vagina into the uterus. A thimble-shaped device made from rubber or plastic and measuring about 1 1/2 in. in diameter, it fits snugly over the cervix, or neck of the uterus, and is held in place by suction. The diaphragm is bigger and more fragile. A thin rubber dome averaging about 3 in. wide, with a flexible rim, it is placed between the pubic bone and the vaginal wall and kept in place by tension. Both contraceptives are used with spermicide...
...largest barrier to opportunity isn't the Ku Klux Klan, but the White House. Ronald Reagan has been a steadfast opponent of the Civil Rights movement, while Vice President George Bush has shamelessly backed his hostile stance...
...these voracious adversaries. Germs of every description strive tirelessly to invade the comfortably warm and bountiful body, entering through the skin or by way of the eyes, nose, ears and mouth. Fortunately for man's survival, most of them fail in their assault. They are repelled by the tough barrier of the skin, overcome by the natural pesticides in sweat, saliva and tears, dissolved by stomach acids or trapped in the sticky mucus of the nose or throat before being expelled by a sneeze or a cough. But the organisms are extraordinarily persistent, and some occasionally breach the outer defenses...
Endowed with such specialized weapons, the properly functioning immune system is a formidable barrier to disease. Even when an infection is severe enough to overcome the system's initial response and cause illness, the immune cells are usually able to regroup, call up reinforcements and eventually rout the invaders. But when the system is weakened by previous illness or advancing age, for example, the body becomes more vulnerable to cancers and a host of infectious diseases. And should the system overreact or go awry, it can cause troublesome allergies and serious disorders called autoimmune diseases...