Vocab List - Vocab List 10:45:00 AM The New Biology The...

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Vocab List  19/02/2008 12:45:00 The New Biology:  The ability to modify and control human abilities and potentials by  manipulation of bodies, genes, and minds Whole body dead:  Dead in the most literal sense.  Brain dead:  Your body can be maintained on a machine but there is virtually nothing  going on in your brain.  Upper brain dead:  The thinking part of your brain is dead, but your respiration etc. are  still working.  Persistent or chronic vegetative state:  Is a condition of patients with severe brain  damage in whom coma has progressed to a state of wakefulness without detectable  awareness. Ex: Karen Quinlan and Terry Schaivo Heroic medicine:  Medicine performed on patients in the last 30 days of their lives in  order to extend their life span.  Organ transplants:  The transplantation of an organ from one body to another.  Transgenic pigs:  Animals that are now being bred with human genes inserted into their  DNA
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Transgenic:  Taking a body part out of an animal like a pig and putting it into a human.  Acute immune response:  If the pig is different from you in protein structure, then in a  matter of hours after receiving the transgenic organ, your body will literally liquefy the  part.  Fetal tissue implant:   Implanting tissue from a fetus to a patient for the treatment of  disease. In the case of Parkinson’s it is hoped that the fetal tissue would produce  chemicals, specifically dopamine, lacking in the diseased brain.  Blastocyst:  The blastocyst is the structure formed in early embryogenesis, after the  formation of the blastocoel, but before implantation. It possesses an inner cell mass, or  embryoblast which subsequently forms the embryo, and an outer cell mass, or  trophoblast which forms the placenta. The human blastocyst comprises 70-100 cells. It  is preceded by a zygote, the fertilized egg cell, and succeeded by an embryo.  Blastocyst formation begins at day 5. Recently the inner cell mass has become a source  for embryonic stem cells. Embryogenesis:  The process by which the embryo is formed and develops  Totipotent:  A cell that is able to differentiate into different cells. They are stem cells. Ex:  Cord blood cells 
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Multipotent:  Can give rise to several other cell types, but those types are limited in  number. An example of a multipotent stem cell is a hematopoietic cell — a blood stem  cell that can develop into several types of blood cells, but cannot develop into brain cells  or other types of cells. At the end of the long series of cell divisions that form the 
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