Definition+of+Cancer

= So what does "Cancer" mean? =

==== The definition of “cancer” according to dictionary.com is - a malignant and invasive growth or tumor, esp. one originating in epithelium, tending to recur after excision and to metastasize to other sites. ====

//**N**//ever ending fight
 * //C//**atastrophe
 * //A//**ngering
 * //C//**alamitous
 * //E//**merging quickly
 * //R//**eluctant

=What is the definition of virus?= The definition of "virus" according to dictionary.com is - Any of various simple submicroscopic parasites of plants, animals, and bacteria that often cause disease and that consist essentially of a core of RNA or DNA surrounded by a protein coat. Unable to replicate without a host cell, viruses are typically not considered living organisms.

What is the definiton of Vector?
The difinition of "vector" according to dictionary.com is - any agent that acts as a carrier or transporter, as a virus or plasmid that conveys a genetically engineered DNA segment into a host cell.

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