In mathematics, the Fibonacci numbers or Fibonacci series or Fibonacci sequence are the numbers in the following integer sequence: (sequence A000045 in OEIS) By definition, the first two numbers in the Fibonacci sequence are 0 and 1, and each subsequent number is the sum of the previous two.
Tight Junctions. Tight junctions are found predominantly in epithelial tissues, such as intestinal brush border. Water and other fluids must be prevented from leaking between adjacent cells, so that body fluids do not gradually seep across the intestinal lining.
What can and cannot go through all depends on the substanceâs size, charge, as well as the location and precise composition of the tight junctions in the part of the body in question. Tight junctions are located within our bodyâs epithelia. Epithelia is the plural of epithelium.