This glomerular filtration is regulated by. The amount of filtrate formed per minute by both the kidneys is called the glomerular filtrate rate. The only difference is that filtrate does not contain fat and proteins.Īfter passing through the glomerular capillaries, blood enters the efferent arteriole. This glomerular filtrate is the same as that of blood plasma. This process of filtration, which occurs through glomerular capillaries in the Bowman’s capsule, is known as Ultrafiltration, and the filtrate formed is called glomerular filtrate. Through these pores, large cells like RBCs, WBCs, plasma proteins, etc., are unable to pass through these pores. The filtered blood is poured into the lumen of Bowman’s capsule. Due to high pressure in the capillaries, blood is filtered through pores created by podocytes.
This creates pressure in the glomerular capillaries. The glomerular capillaries are narrower than the glomerular arterioles. About \(1100 – 1200\, ml\) of blood is filtered from the kidneys per minute. This is the first step of urine formation which is carried out by the glomerulus. Students can check the physiology of urine formation below: Glomerular Filtration These urine formation steps involve different parts of the nephron. The process of urine formation includes different processes like glomerular filtration, selective reabsorption, and tubular secretion. Let us see how urine is formed in our bodies. These pores allow the filtration of blood from the glomerulus to the Bowman’s capsule.įig: Types of Nephrons Process of Urine Formation These cells have projections, and gaps between these projections form pores.
Its wall is double-layered and consists of special types of cells called podocytes. Afferent arteriole enters the Bowman’s capsule and leaves it through the efferent arteriole.īowman’s capsule is a cup-shaped structure that surrounds the glomerulus.
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