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The term ________ refers to the densely packed kidney filtration unit.
Neurone
Nephron
Capillary
Glomerulus
Nephron
The term 'Glomerulus' refers to the densely packed network of blood capillaries located within the Bowman's capsule of the nephron. It acts as the primary filtration unit of the kidney, where blood is filtered under high pressure to remove waste products and form the initial filtrate.
The term 'Glomerulus' refers to the densely packed network of blood capillaries located within the Bowman's capsule of the nephron. It acts as the primary filtration unit of the kidney, where blood is filtered under high pressure to remove waste products and form the initial filtrate.
Think of the glomerulus like a high-pressure coffee machine filter; the high pressure forces the liquid (filtrate) through a fine mesh while holding back the large particles (blood cells and proteins).
G for Glomerulus, G for Great filter; it's the 'G'atekeeper of the nephron.
GFR=KfтАЛ├Ч(PGCтАЛтИТPBCтАЛтИТ╧АGCтАЛ) тАФ The Glomerular Filtration Rate equation, where PGCтАЛ is glomerular hydrostatic pressure, PBCтАЛ is Bowman's capsule pressure, and ╧АGCтАЛ is colloid osmotic pressure.
Blood enters the glomerulus via the afferent arteriole and exits through the narrower efferent arteriole. This difference in diameter creates a high hydrostatic pressure, forcing water, glucose, salts, and nitrogenous wastes through the capillary walls into the Bowman's capsule. This process is known as ultrafiltration, which is the first step in urine formation.
The nephron is the functional unit of the kidney, consisting of a renal corpuscle (glomerulus and Bowman's capsule) and a renal tubule.
Ultrafiltration occurs in the glomerulus due to high hydrostatic pressure.
Glomerular filtrate contains water, salts, amino acids, and glucose, but excludes large blood proteins and cells.
Approximately 180 liters of filtrate are produced daily by human kidneys.
Highly efficient at removing metabolic waste.
Regulates blood volume and pressure through selective filtration.
Vulnerable to damage from high blood pressure (hypertension) and diabetes.
Used to determine renal function (e.g., GFR testing).
Essential for electrolyte and acid-base balance in the body.
A neurone is a nerve cell, not related to filtration.
A capillary is the type of blood vessel in the glomerulus, but 'glomerulus' specifically refers to the entire knot of capillaries.
A nephron is the whole unit containing both the glomerulus and tubules.
B is correct тАФ The glomerulus is the specialized ball of capillaries within the nephron responsible for blood filtration.
Always distinguish between the 'functional unit' (Nephron) and the 'filtration unit' (Glomerulus) to avoid confusion in exams.
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