Red blood cell form. When red blood cells sometimes occur as a stack, flat side next to flat side. This is known as "rouleaux formation", and it occurs more often if the levels of certain serum proteins are elevated, as for instance during inflammation. Red blood cells can be obtained from whole blood by centrifugation, which separates the cells from the blood plasma in a process known as blood fractionation. Packed red blood cells, which are made in this way from whole blood with the plasma removed, are used in transfusion medicine. During plasma donation, the red blood cells are pumped back into
Color Me Blood Red Color Me Blood Red Color Me Blood Red is a 1965 splatter film written and directed by Herschell Gordon Lewis about a psychotic painter who murders civilians and uses their blood as red paint. It is the third part of what the director's fans have dubbed "The Blood Trilogy", including "Blood Feast" (1963) and "Two Thousand Maniacs!" (1964). At the Farnsworth Galleries, Farnsworth looks at a painting then takes it outside. He drops it to the ground, saturates it with gasoline and sets it afire. Blood pours out of the canvas as it burns. Artist Adam Sorge stands before a