They occur in two oxidation states, +2 and +4. Silicon and germanium share similar physical and chemical characteristics, since both are metalloids. Silicon. Silicon is the element with atomic number 14, and it is in the group 14 of the periodic table, just below carbon.
A paresthesia is an abnormal sensation of tingling, numbness, or burning. Paresthesias are usually felt in the hands, feet, arms, or legs, but can be felt anywhere. The sensation is usually unpleasant.
caudal anesthesia, the injection of a local anesthetic agent into the caudal portion of the epidural space through the sacral hiatus to anesthetize sacral and lower lumbar nerve roots. Once popular in obstetrics, it is now rarely performed except in pediatric anesthesia.ee also posterior. caudal anesthesia. a type of regional anesthesia in which the anesthetizing solution is injected into the caudal area of the spinal canal through the caudal end of the sacrum and tail.