The Secure Sockets Layer and Transport Layer Security. Ever since Netscape Communications invented the Secure Sockets Layer Protocol (SSL) in 1994, after the Internet becomes under scrutiny over security, the arms race between code breakers and code makers has been accelerated in the field of the internet cryptography.
Medical Definition of AUTOTROPHIC. 1. : needing only carbon dioxide or carbonates as a source of carbon and a simple inorganic nitrogen compound for metabolic synthesis.2.: not requiring a specified exogenous factor for normal metabolism.â auÂ·toÂ·troÂ·phiÂ·calÂ·ly \-fi-k(É-)lÄ\ adverb.efinition of AUTOTROPHIC. 1. 2. : not requiring a specified exogenous factor for normal metabolism. â auÂ·toÂ·troÂ·phiÂ·calÂ·ly \-fi-k(É-)lÄ\ adverb.
The term hypertrophy means enlargement. Hypertrophic change in muscles is a positive adaptation to athletic training. Hypertrophic arthritic changes in the lumbar spine are also adaptive, but are not viewed in such a positive light. These changes are often associated with reduced mobility, pain and stiffness. Hypertrophic arthritic changes of the lumbar spine sometimes compress nerves and cause numbness and weakness in the legs.