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 the types of regional anesthesia: 1  Infiltrative anesthesia: a small amount of local anesthetic is injected in a small area to stop any sensation (such as during the closure of a laceration, as a continuous infusion or freezing a tooth).