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Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles. The process is the opposite of vasodilation , the widening of blood vessels.
The decrease in vasocongestion in post-menopausal women may require some women to use artificial sexual lubricant to avoid pain during sexual intercourse. If there is pain however, sexual drive is typically diminished or absent. Other forms of vasocongestion during human sexual activity include sex flush and the swelling of nipples in both men ...
Carbon monoxide is a toxic chemical that binds haemoglobin (molecule in the blood that carries oxygen) will decrease the amount of oxygen delivered to the cells and cause damage to other organs in the body. Damage to the arterial walls can cause vasoconstriction, allowing the arteries to narrow which can increase the risk of heart disease. [11]
Women’s bodies go through many changes in menopause and the years leading up to it, known as perimenopause. This natural step in the aging process marks the end of the reproductive years. In ...
Vasospasm refers to a condition in which an arterial spasm leads to vasoconstriction. This can lead to tissue ischemia (insufficient blood flow) and tissue death . Along with physical resistance, vasospasm is a main cause of ischemia. Like physical resistance, vasospasms can occur due to atherosclerosis.
Normally, nitric oxide then works to promote vasodilation in a blood vessel through its own mechanisms such as inhibiting the release of agents that cause vasoconstriction. [ 12 ] Endothelial dysfunction wherein there is a deficiency in the production of nitric oxide has been found to be associated with coronary vasospasm in some but not all ...
In terms of the cause of aortic regurgitation, is often due to the aortic root dilation (annuloaortic ectasia), which is idiopathic in over 80% of cases, but otherwise may result from aging, syphilitic aortitis, osteogenesis imperfecta, aortic dissection, Behçet's disease, reactive arthritis and systemic hypertension. [1]
It happens over time and can be due to the effects of aging, overuse of a joint, or injury. Then there’s inflammatory arthritis. This category of arthritis is the result of an inflammatory ...