The proximal tubule is the portion of the duct system of the nephron of the kidney which leads from Bowman's capsule to the loop of Henle.he proximal tubule as a part of the nephron can be divided into two sections, pars convoluta and pars recta. Differences in cell outlines exist between these segments, and therefore presumably in function too.
The Patient Protection and Affordable Care Act (PPACA), commonly called the Affordable Care Act (ACA) or Obamacare, is a United States federal statute enacted by President Barack Obama on March 23, 2010.
You are here: Home / Affordable Care Act history. The Patient Protection and Affordable Care Act was signed into law by President Obama in March 2010. Its major provisions go into effect in Jan. 1, 2014, although significant changes went into effect before that date and will continue in years to come.