Main definitions of luminal in English

: luminal1Luminal2

luminal1

adjective

Anatomy
  • See lumen

    • ‘Unfortunately, the absence of endothelial cells at the luminal surface of prosthetic vascular grafts potentiates thrombosis and neointimal hyperplasia.’
    • ‘Unlike an infection, endometriosis does not damage the luminal epithelium of the Fallopian tube and thus surgery is more likely to be successful.’
    • ‘Autopsy findings confirmed luminal narrowing of bronchioles by scarring, which is a histopathologic features of bronchiolitis obliterans.’
    • ‘In fact, the capillary luminal diameter has been increased in the skin and nerves of patients with diabetes, even in the presence of neuropathy.’
    • ‘The upper airway size is determined by the balance between static pharyngeal mechanics, neuromuscular activity, and luminal pressure.’

Pronunciation

luminal

/ˈluːmɪn(ə)l/

Main definitions of luminal in English

: luminal1Luminal2

Luminal2

noun

  • trademark for phenobarbitone
    • ‘Intravenous sodium amytal (Amytal, Luminal, Nembutal) elicited no benefit, but intravenous zolpidem did.’
    • ‘By 1912, a phenylethyl derivative was developed and commercially introduced as Phenobarbital and Luminal.’
    • ‘The most popular lethal drug was Luminal, a barbiturate, closely followed by morphine for children resistant to the Luminal.’
    • ‘Since Luminal is a sedative that was often administered in small doses to unruly children at the time - there was no other way to treat epilepsy, for instance - nurses often had no way of knowing who was administering the fatal dose.’
    • ‘The children received cocoa powder, which had been treated with Luminal, a sleeping potion that attacks the bronchial system over time and can lead to infections of the lungs.’

Origin

Early 20th century: probably from Latin lumen ‘light’ (rendering phen-, from Greek phaino- ‘shining’), + -al.

Pronunciation

Luminal

/ˈluːmɪn(ə)l/