Overheard medical student talking with pediatrician in the hall. what is hereditary hemorrhagic telangiectasia?

Hereditary bleeding: Is an inherited disorder of the blood vessels that can cause excessive bleeding due to abnormal blood vessels called arteriovenous malformations (avms) in several areas of the body. If they are on the skin, they are called telangiectasias. The abnormal blood vessels can also develop in the brain, lungs, liver, intestines, or other areas. Symptoms include:frequent nosebleeds in children, etc.