Definition of Foreign Direct Investment Foreign direct investment (FDI) is an investment in a business by an investor from another country for which the foreign investor has control over the company purchased.
Spinal anaesthesia. Spinal anaesthesia (or spinal anesthesia), also called spinal block, subarachnoid block, intradural block and intrathecal block, is a form of regional anaesthesia involving the injection of a local anaesthetic into the subarachnoid space, generally through a fine needle, usually 9 cm (3.5 in) long.
The following are some of the types of anesthesia: 1  General anesthesia: This is used to make sure you are completely asleep during surgery. 2  Spinal or epidural anesthesia: This is used to numb you from your abdomen to your feet. 3  Interscalene block: This is used to numb your shoulder and arm during a surgery or procedure.