lumen
space within an organ or tube
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
Lumen
A term used when referring to the cavity or passageway within a tubular structure (ex. the interior space of a seminiferous tubule).
lumen
[L. light]
The cavity of a tubular structure, such as endoplasmic reticulum or a blood vessel.
lungs ...
lumen
Any cavity enclosed within a cell or structure, such as the lumen of the gut.
Lumenal proteins can be predicted computationally based on their targeting signals.
lumen The cavity of a tube or organ.
lung An organ of the respiratory system in which gas exchange occurs between body fluids (e.g., blood) and air.
The lumen of the anal canal presents, in its upper half, a number of vertical folds, produced by an infolding of the mucous membrane and some of the muscular tissue.
Lorenzo's Oil Loss of heterozygosity (LOH) Lovastatin LPS (lipopolysaccharide; also known as endotoxin) Luciferase LumenThe cavity inside a tubular structure such as a blood vessel or kidney tubule.
Due to their physical membranous connection, the lumen of the endoplasmic reticulum and the space between the layers of the nuclear envelope comprise a single compartment.
The main idea is that the InsP3 receptors are sensitized to release Ca2+ periodically by cyclical fluctuations of Ca2+ within the lumen of the endoplasmic reticulum.
Origin: f, from L. Volumen a roll of writing, a book, volume, from volvere, volutum, to roll. See voluble.
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The bile salts return to the lumen to repeat the process. Fat digestion is usually completed by the time the food reaches the ileum (lower third) of the small intestine.
The membrane encloses a space, the cisternal space (or internal lumen) from the cytosol. This space is acting as a gateway.
The Na+K+ATPase that pumps Na+ from the cell into the lumen of the intestine.
B.
The permease that allows glucose and Na+ into the cell requires ATP.
Glucose 6-phosphatase A membrane protein of the lumenal side of the endoplasmic reticulum that catalyzes the formation of free glucose from glucose 6-phosphate. In the liver, the enzyme plays a key role in maintaining blood-glucose levels.
extracellular digestion A form of digestion found in annelids, crustaceans, and chordates including vertebrates; takes place within the lumen of the digestive system, ...
The rough ER functions in protein synthesis, especially proteins that are to be secreted to outside the cell (example: hormones). Proteins enter the lumen (interior) of the endoplasmic reticulum while being synthesized.
lysosomes - membrane-bounded organelle in eucaryotic cells containing digestive enzymes, which are typically most active at the acid pH found in the lumen of lysosomes ...
Similarly, the attachment structures, we think that it's part of a survival mechanism for the bacteria. If we better understand that, we can better understand how we can prevent the attachment to the surface of the lumen, of the intestine of humans.
 See also: Trans, Cells, Membrane, Organ, Cell
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