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.
retrobulbar block that performed by injection of a local anesthetic into the retrobulbar space to anesthetize and immobilize the eye. sacral block regional anesthesia produced by injection of the local anesthetic into the extradural space of the spinal canal.