Hereditary Hemorrhagic Telangiectasia (Face)
Hereditary Hemorrhagic Telangiectasia (Face)
Hereditary Hemorrhagic Telangiectasia (Face)

    This photo shows a close-up of the face of a person with visible, tiny blood vessels (telangiectasias) caused by hereditary hemorrhagic telangiectasia.

DR P. MARAZZI/SCIENCE PHOTO LIBRARY