Retinal blood vessels. Neovascularization, collaterals, and shunts.
D000818:Animals; D001163:Arteriovenous Anastomosis; D003097:Collateral Circulation; D005451:Fluorescein Angiography; D005654:Fundus Oculi; D006801:Humans; D009389:Neovascularization, Pathologic; D009887:Ophthalmoscopy; D012164:Retinal Diseases / Q000175:diagnosis; D012171:Retinal Vessels / Q000196:embryology / Q000502:physiology*; D014652:Vascular Diseases / Q000175:diagnosis