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Essential hypertension (also called primary hypertension, or idiopathic hypertension) is a form of hypertension without an identifiable physiologic cause. [1] [2] It is the most common type affecting 85% of those with high blood pressure.
Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. [11] High blood pressure usually does not cause symptoms itself. [1]
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Secondary hypertension (or, less commonly, inessential hypertension) is a type of hypertension which has a specific and identifiable underlying primary cause. It is much less common than essential hypertension, affecting only 5-10% of hypertensive patients.
Pulmonary Arterial Hypertension (PAH) is a syndrome in which the blood pressure in the pulmonary arteries and pulmonary arterioles (the blood vessels located proximal to the capillary bed, the site of oxygen exchange in the lungs) is elevated.
Thornthwaite initially divided climates based on five characteristic vegetations: Rainforest, forest, grassland, steppe and desert.One of the main factors for the local vegetation is precipitation, but most importantly, precipitation effectiveness, according to Thornthwaite.
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature.
The Knights of the Round Table (Welsh: Marchogion y Ford Gron, Cornish: Marghogyon an Moos Krenn, Breton: Marc'hegien an Daol Grenn) are the legendary knights of the fellowship of King Arthur that first appeared in the Matter of Britain literature in the mid-12th century.