The classic culprit is a cherry angioma, sometimes called a ruby angioma. It is a tangle of dilated capillaries that sits in or just under the skin. They tend to appear on the torso, shoulders, neck, ...
If you’ve ever scraped your knee, you likely noticed scab (crust) form over it. Scabs on cats are basically dried blood that has clotted over the area to protect it and stop the bleeding. So, scabs ...