Cholecystitis McCoy and colleagues. Blockage of the cystic duct by a gallstone causes a buildup of bile in the gallbladder and increased pressure within the gallbladder. Concentrated bile, pressure, and sometimes bacterial infection irritate and damage the gallbladder wall, causing inflammation and swelling of the gallbladder. Inflammation and swelling of the gallbladder can reduce normal blood flow to areas of the gallbladder, which can lead to cell death due to inadequate oxygen. The diagnosis of cholecystitis is suggested by the history (abdominal pain, nausea, vomiting, fever) and physical examinations in addition to laboratory and ultrasonographic testing. Boas's sign which is pain
Theology of the Body it, and at the resurrection of the dead. He also contemplates the sexual complementarity of man and woman. He explores the nature of marriage, celibacy and virginity, and expands on the teachings in "Humanae vitae" on contraception. According to author Christopher West, the central thesis of John Paul's "Theology of the Body" is that "the body, and it alone, is capable of making visible what is invisible: the spiritual and the divine. It was created to transfer into the visible reality of the world, the mystery hidden since time immemorial in God, and thus to be a sign of it."