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.
Figure 2. The catheter is inserted into the intrathecal (subarachnoid) space in the low back area. The catheter is then positioned in the best location to bathe the spinal cord with medication (blue) and block the transmission of pain signals to the brain.