This is the most important transport mechanism in the PCT. The proximal tubule is the portion of the duct system of the nephron leading from Bowman's capsule to the loop of Henle. Structure and appearance The most distinctive characteristic of the proximal tubule is its brush border (or striated border).The luminal surface of the epithelial cells of this segment of the nephron is covered with densely packed microvilli forming a border readily visible under the light microscope.tructure and appearance The most distinctive characteristic of the proximal tubule is its brush border (or striated border). The luminal surface of the epithelial cells of this segment of the nephron is covered with densely packed microvilli forming a border readily visible under the light microscope.
President Barack Obama and Michelle Obama celebrated their 23rd wedding anniversary on Saturday. The two were married on Oct. 3, 1992, at Trinity United Church in Chicago. A year later, Michelle apparently forgot the couple's first wedding anniversary. First lady Michelle Obama and President Barack Obama have been married for over two decades. Over time, Michelle has said that she has learned to forgive some of the president's habits.
Michelle Obama is the wife of former U.S. President Barack Obama. Prior to her role as first lady, she was a lawyer, Chicago city administrator and community-outreach worker. Who Is Michelle Obama? Michelle Obama was born in 1964 in Chicago, Illinois. She attended Princeton University, graduating cum laude in 1985, and went on to earn a degree from Harvard Law School in 1988. Following her graduation from Harvard, she worked at a Chicago law firm, where she met her husband, future U.S. president Barack Obama. The couple married on October 3, 1992. As first lady, she focused her attention on current social issues, such as poverty, healthy living and education. Michelle Obama as a Child