The ratio of BUN to creatinine is usually between 10:1 and 20:1. An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys, such as congestive heart failure or dehydration.
However, there has been research in this area. In germany, frankincense (boswellia serrata) is aparently considered a standard treatment for cancer in brain because it is one of the few substances believed to cross the BBB. Wormwood (Artemisia absinthium) is another possibility.owever, there has been research in this area. In germany, frankincense (boswellia serrata) is aparently considered a standard treatment for cancer in brain because it is one of the few substances believed to cross the BBB. Wormwood (Artemisia absinthium) is another possibility.
Presentation Transcript. blood-testis barrier: blood-testis barrier The blood-testis barrier (BTB) is a physical barrier between the blood or lymph vessels and the lumen of seminiferous tubules of the animal testes.lood-testis barrier: HOW IT FORM Myoid layer Sertoli cell junction Sertoli cell junction formed by tight connections between the Sertoli cells, which are sustentacular cells (nurse cells) of the seminiferous tubules, and nourish the spermatogonia.