Source of organs for transplants

• Not an issue Aquinas would have thought about
• NML would approve of it on the whole
• Humans have moral rights to use animals in any ways they see fit with certain safeguards 


  safeguards would include any attempt to modify the human germline, which would be a modification of God's blueprint for humans at creation
• Reflected in the recommendations of the Catholic Medieval Association 


  'We are opposed'
• Catholic Church + Aquinas differ