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Related to luminal: veronal, Seconal, lumen


n. pl. lu·mens or lu·mi·na (-mə-nə)
1. Anatomy The inner open space or cavity of a tubular organ, as of a blood vessel or an intestine.
2. Biology The interior of a membrane-bound compartment or organelle in a cell.
3. Abbr. lm Physics The SI unit of luminous flux, equal to the amount of light per unit time passing through a solid angle of one steradian from a light source of one candela intensity radiating equally in all directions. See Table at measurement.

[Latin lūmen, an opening, light; see leuk- in Indo-European roots.]

lu′men·al, lu′min·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Luminal - a long-acting barbiturate used as a sedative
barbiturate - organic compound having powerful soporific effect; overdose can be fatal
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


a. luminal, rel. a la luz de un conducto.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
After electronic cigarette vaping, the researchers found that the resistivity index was higher (2.3 percent) and luminal flow-mediated dilation was severely blunted (−34 percent).
The results, presented in the journal JAMA Oncology, show that the treatment has a protective effect against distant metastatic cancer for both so-called Luminal A and Luminal B breast cancer subtypes, and a long-term effect for women diagnosed with Luminal A cancer.
LOS ANGELES, Calif., August 6, 2019 -- The prostates of older mice contain more luminal progenitor cells capable of generating new prostate tissue than the prostates of younger mice, UCLA researchers have discovered.
(27,28) The intermediate cells between the basal and luminal layers show moderate differentiation and express CK18, CD44, and CK5/6 at reduced levels.
According to this still currently valid classification, ER-positive tumors demonstrate gene expression from luminal cells of breast glands, cytokine profile, and markers associated with other luminal cells.
In the present study 50 % of the cases (67 cases) were of luminal A type, 26.9% (36 cases) were of Luminal B type, 13.4% cases (18 cases) were basal -like (Triple negative) and 9.7% cases (13 cases) were Her2 enriched type.
The authors envision that the ability to readily integrate 3-D nanostructured fluidic motifs with the entire luminal surface of elastomeric channels will open new avenues for emerging applications in areas such as soft microrobotics and biofluidic microsystems.
Developed by a research team from the Brigham and Women's Hospital (BWH) in Boston, Massachusetts, US, the new compound named LuCI (for Luminal Coating of the Intestine) delivers a sticky, gut-coating paste that provides a barrier on the first part of the intestine mimicking the effect of gastric bypass.
Scoring balloon catheters witness more preference as compared to the conventional catheters attributed to uncontrolled dissection including insufficient luminal expansion.
Through this collaboration, MGH and Innovate seek to understand how certain toxins, which are normally contained within the luminal compartment of the intestine, are breaching the gut vascular barrier via ethanol-induced disruption and infiltrating the systemic circulation causing liver disease via an inflammatory loop of the gut-liver axis.
CLEAR stands for Customizable, Luminal, Evacuation, Aspiration, and Retrieval.