glomerulus
Americannoun
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a compact cluster of capillaries.
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Also called Malpighian tuft. a tuft of convoluted capillaries in the nephron of a kidney, functioning to remove certain substances from the blood before it flows into the convoluted tubule.
noun
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a knot of blood vessels in the kidney projecting into the capsular end of a urine-secreting tubule
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any cluster or coil of blood vessels, nerve fibres, etc, in the body
Other Word Forms
Derived Forms
Etymology
Origin of glomerulus
1855–60; < New Latin, equivalent to Latin glomer- (stem of glomus ) ball-shaped mass + -ulus -ule
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
First, the nephrons filter blood that runs through the capillary network in the glomerulus, which filters out almost all solutes, except for proteins, by glomerular filtration.
From Textbooks • Jun. 9, 2022
Almost all solutes, except for proteins, are filtered out into the glomerulus by a process called glomerular filtration.
From Textbooks • Jun. 9, 2022
The olfactory bulb is composed of neural clusters called glomeruli, and each glomerulus receives signals from one type of olfactory receptor, so each glomerulus is specific to one odorant.
From Textbooks • Jun. 9, 2022
The blood pressure in the glomerulus is maintained independent of factors that affect systemic blood pressure.
From Textbooks • Jun. 9, 2022
Once the efferent arteriole exits the glomerulus, it forms the peritubular capillary network, which surrounds and interacts with parts of the renal tubule.
From Textbooks • Jun. 9, 2022
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.