Doreen Virtue (born April 29, 1958) is an American author and a motivational speaker. She is the founder of Angel Therapy. Virtue has written over 50 books including oracle card oracle decks on the subject of angels and other spiritual topics.
Exogenous infection is caused by organisms not normally present in the body but which have gained entrance from the environment.. A small fragment of bacteria causes disease in humans,and many species colonize in the human body to create an ecosystem know as bacterial flora.
Definition of ZYMOGEN. : an inactive protein precursor of an enzyme secreted by living cells and converted (as by a kinase or an acid) into an active form âcalled also proenzyme.ADVERTISEMENT. International Scientific Vocabulary. an inactive protein precursor of an enzyme secreted by living cells and converted (as by a kinase or an acid) into an active form âcalled also proenzyme. ADVERTISEMENT.