There must be some bleeding somewhere in the colon for you to see this. It could be a hemorrhoid.
Difficult, delayed elimination of feces is known as constipation.
in the rectum
An involuntary response for elimination of feces may be diarrhea. This can happen as a result of illness, side effect of medication or a reaction to food or liquids ingested by the body.
Defecation or elimination is the process of removing undigested food (feces) from the body.
before
Consolidation of feces before elimination refers to the process of water absorption in the colon, which helps to make the stool more solid and compact. This process is important for the formation of a well-formed stool that can be easily eliminated from the body.
anus or anal canal
At the end of the elimination stage, undigested material along with cellular waste, bacteria, and dead cells are passed through the body as feces. This waste consists of indigestible food remnants, along with substances processed by the liver and excreted by the kidneys through urine.
Before elimination, if the cat gets too little fluid, they can be constipated with hard stool.After elimination, air evaporates water content from feces. This dries the waste.
Blood in the feces is not a specific disease - it is a symptom that can indicate any of several diseases. In younger dogs, blood in the feces is more likely to indicate either intestinal parasites or a gastrointestinal infection. In older dogs, the odds of cancer resulting in blood in the feces rises.
Large Intestine
It could be any number of things from worms, to infection, to organ failure. If your cat has blood in its feces, take it to the vet immediately.