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Primary biliary cirrhosis, sometimes called PBC, is a disease in which the bile ducts in your liver are slowly destroyed. Bile, a fluid produced in your liver, plays a role in digesting food and helps rid your body of worn-out red blood cells, cholesterol and toxins. When bile ducts are damaged, as in primary biliary cirrhosis, harmful substances can build up in your liver and sometimes lead to irreversible scarring of liver tissue (cirrhosis). Primary biliary cirrhosis is considered an autoimmune disease, in which the body turns against its own cells. Researchers think it is triggered by a combination of genetic and environmental factors. Primary biliary cirrhosis usually develops slowly and medication can slow its progression, especially if treatment begins early.
By 5 weeks' gestational age, the wolffian (ie, mesonephric) and the müllerian (ie, paramesonephric) ducts have formed from intermediate mesoderm. In the absence of testosterone and müllerian inhibitory substance, the mesonephric ducts regress and the paramesonephric ducts continue to form the female reproductive structures with fusion of the distal portions of the paramesonephric ducts to give rise to the uterine fundus, the cervix, and the upper vagina. These developmental changes are genetically controlled in large part by a series of complex transcriptional signaling pathways including Wnt signaling, Hox genes, and many others. In a female fetus, the wolffian duct disappears except for nonfunctional vestiges. The müllerian duct is lined by a columnar epithelium. This includes the entire cervix and upper vagina to the vaginal plate (ie, sinovaginal bulb). Through a process of squamous metaplasia, the vagina and a variable portion of the ectocervix become covered with squamous epithelium. This process is complete by the fifth month of pregnancy.
To get started, you need to find your pelvic floor muscles by stopping urination in midstream. If you succeed, you have located the right muscles. Once you have located your pelvic floor muscles, tighten the contraction for about 5 seconds, before relaxing for another 5 seconds.
A hemolytic transfusion reaction is a serious complication that can occur after a transfusion of blood. The red blood cells that were given in the transfusion are destroyed by the patient's immune system. There are other types of allergic transfusion reactions that do not cause hemolysis.
-Failure to thrive (FTT) is not a diagnosis in itself; rather, it is a term used to describe failure to gain weight in children younger than two years old. Children categorized as FTT weigh less than the 5th percentile for their age; more severe cases involve a slowing of linear growth and head circumference as well. The three causes of FTT are inadequate calorie intake, inadequate calorie absorption, and increased calorie requirements. Newborn infants need 110 kcal/kg/day, while children up to twelve months need 100