anal fistula (fistula in aÂ´no) one opening on the cutaneous surface near the anus, which may or may not communicate with the rectum. arteriovenous fistula one between an artery and a vein, either pathologic (such as a varicose aneurysm) or surgically created to ensure an access site for hemodialysis.
1 millibar (or hectopascal/hPa), is equivalent to 0.02953 inches of mercury (Hg). It is therefore only necessary to multiply a reading in millibars by the latter figure, to achieve the required conversion. E.g. for 1023 mbar, multiply by 0.02953=30.21 inches.
A. Standard sea level air pressure is 1013 mb (millibars), which is the same as 29.92 inches of mercury or 14.7 pounds per square inch. 2. Mercury is 13 times heavier than water.. Standard sea level pressure in centimeters equals 76 cm of mercury. Thus, the height of standard sea level pressure if a water barometer is used would be 13 times higher, or 988 cm. 3. Describe the principle of the aneroid barometer.