What is vascular Wikipedia?
Vascular disease is a class of diseases of the blood vessels – the arteries and veins of the circulatory system of the body. It is a subgroup of cardiovascular disease. Disorders in this vast network of blood vessels, can cause a range of health problems which can be severe or prove fatal.
What is vascularization of the eye?
Corneal neovascularization is characterized by the invasion of new blood vessels into the cornea caused by an imbalance between angiogenic and antiangiogenic factors that preserve corneal transparency as a result of various ocular insults and hypoxic injuries.
Is neovascularization good or bad?
Corneal neovascularization The immature new blood vessels can lead to persistent inflammation and scaring, lipid exudation into the corneal tissues, and a reduction in corneal transparency, which can affect visual acuity.
Is vascularization a word?
1. The process of vascularizing; the formation of vessels, especially blood vessels.
What causes vascularization?
Causes: infection, contact lens wear, trauma, chemical burn, immunologic diseases, degeneration or intraocular events such as uveitis, glaucoma and pthisis bulbi. Supportive, which directed at eliminating the underlying condition. Topical corticosteroid may be applied for gross and active vascularization.
What causes corneal vascularization?
What causes corneal neovascularization? The main underlying cause is lack of oxygen to the cornea. Long-term use of contact lenses is a main contributor, but toxic contamination from lenses or solution, trauma or infection, chemical burns, or lens deposit buildup can also be a cause.
Is neovascularization same as angiogenesis?
Neovascularization encompasses both angiogenesis and vasculogenesis. Angiogenesis represents the classic paradigm for new vessel growth, as mature, differentiated ECs break free from their basement membrane and migrate as well as proliferate to form sprouts from parental vessels.
What is the definition of vascularization in medicine?
vascularization 1 the process of being vascularized. 2 ( medicine) the formation of blood vessels and capillaries in living tissue 3 ( botany) the formation of leaf veins
What is the definition of neovascularization in Wikipedia?
From Wikipedia, the free encyclopedia Neovascularization is the natural formation of new blood vessels (neo- + vascular + -ization), usually in the form of functional microvascular networks, capable of perfusion by red blood cells, that form to serve as collateral circulation in response to local poor perfusion or ischemia.
Where does the term revascularization come from in medical terms?
Vascular bypass and angioplasty are the two primary means of revascularization. The term derives from the prefix re-, in this case meaning “restoration” and vasculature, which refers to the circulatory structures of an organ. It is often combined with “urgent” to form urgent vascularization.
How is neovascularization different from angiogenesis and vasculogenesis?
Neovascularization is conventionally distinguished from angiogenesis in that angiogenesis is mainly characterized by the protrusion and outgrowth of capillary buds and sprouts from pre-existing blood vessels. Vasculogenesis can be synonymous with neovascularization but also often has reference instead to prenatal development…