Epidural anesthesia is a regional anesthesia that blocks pain in a particular region of the body. The goal of an epidural is to provide analgesia, or pain relief, rather than anesthesia, which leads to total lack of feeling. Epidurals block the nerve impulses from the lower spinal segments.
Tigers live for about 25 years both in captivity and in the wild. 42. Cats in general have been found to have a better memory than any other animal, including humans, being several hundred times better than dogs and dozens of times better than primates.
On occasion there are two surviving pups, one from each uterus. This is the reason sand tigers have the lowest reproduction rate of any shark. Sand Tigers do exceptionally well in captivity and are used in large aquarium exhibits. Even in the wild, they have a lifespan of only about 15 years. FUN FACT - Sand sharks can achieve buoyancy by storing surface air in their stomachs.