You are at the dinner table and you can't wait to devour the cooked piece of sausage on your plate. You take your first bite and you feel pure joy. The meat is as juicy and delicious as always. What is different, however, is that this meat did not come from a live animal, but was instead custom made for you in a lab! One of the most recent innovations in tissue culture is tissue-cultured meat. This meat is artificially grown in the lab using cells from animals.
the liquid part of blood that doesn't have any cells or proteins that are involved in blood clotting...
https://en.wikipedia.org/wiki/Serum_(blood)