Biology, asked by duragpalsingh, 1 year ago

What is lumen? Is this present in heart? What is its function? How is lumen in blood vessels? Define lumen present in artery and vein?

Answers

Answered by Joye11
6
In biology, a lumen is the inside space of a tubular structure, such as an artery or intestine.By extension, the term lumen is also used to describe the inside space of a cellular component or structure, such as the endoplasmic reticulum.

The interior of a vessel, such as the central space in an artery or vein through which blood flows.
The interior of the gastrointestinal tract
The pathways of the bronchi in the lungs
The interior of renal tubules and urinary collecting ducts
The pathways of the female genital tract, starting with a single pathway of the vagina, splitting up in two lumina in the uterus, both of which continue through the fallopian tubes
Within a cell, the inner membrane space of a thylakoid, endoplasmic reticulum, Golgi apparatus, lysosomes, mitochondria or microtubule.

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Answered by Anonymous
6
Lumen can  be described as the inside space of a cellular component or structure, such as the endoplasmic reticulum...
It may be present in the interior of a vessel such as the central space in a artery or vein..
Lumen is wider in veins than that in arteries..
In arteries and veins, lumen means a hollow space through which blood flows..
Lumen is present in the blood vessels which are present in the heart...

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