like my brother has his sword king robert has his warhammer and i have my mind and a mind needs books as a sword needs a whetstone if it is to keep its edge that s why i read so much jon snow george r r martin a game of thrones like life is not a song sweetling
artificial organs, n.pl the devices used to support life because of the failure or limited capacity of the human organ. The most effective is the artificial kidney, which consists of a set of tubes that pass the blood through a dialysate solution where wastes are removed by osmosis and diffusion. See also hemodialysis.
artificial chromosome A type of cloning vector that has some features of true chromosomes and is used to clone relatively large fragments of DNA.Bacterial artificial chromosomes (BACs) are based on the F (fertility) plasmid found naturally in E. coli bacteria (see sex factor).hromosomes, Artificial. Artificial chromosomes are laboratory constructs that contain DNA sequences and that perform the critical functions of natural chromosomes. They are used to introduce and control new DNA in a cell, to study how chromosomes function, and to map genes in genomes.