duct

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Related to ductus: ductus deferens, ductus venosus, ductus reuniens, Ductus thoracicus

duct

1. any bodily passage, esp one conveying secretions or excretions
2. a narrow tubular cavity in plants, often containing resin or some other substance
3. a channel or pipe carrying electric cable or wires

Duct

A nonmetallic or metallic tube for housing wires or cables, may be underground or embedded in concrete floor slabs; a duct usually fabricated of metal, used to transfer air from one location to another.

duct

[dəkt]
(anatomy)
An enclosed tubular channel for conducting a glandular secretion or other body fluid.
(communications)
An enclosed runway for cables.
(geophysics)
The space between two air layers, or between an air layer and the earth's surface, in which microwave beams are trapped in ducting. Also known as radio duct; tropospheric duct.
(mechanical engineering)
A fluid flow passage which may range from a few inches in diameter to many feet in rectangular cross section, usually constructed of galvanized steel, aluminum, or copper, through which air flows in a ventilation system or to a compressor, supercharger, or other equipment at speeds ranging to thousands of feet per minute.

duct

1. ,See air duct.
2. In electric systems, a metallic or nonmetallic tube, (usually circular, oval, rectangular, or octagonal) for housing wires or cables; may be underground or embedded in concrete floor slabs.

duct

A thin-wall tube installed in aircraft air-conditioning and heating systems to carry heated or cooled air for distribution to various aircraft locations.
References in periodicals archive ?
5) moderately long, slightly curved, apically narrow with a short spine; vesica membranous, cornutus absent; ductus ejaculatorius entering laterally.
In the past, patients with patent ductus arteriosus occasionally have lived to be far older than our patient (2), but for 75 years now closure of the arterial duct, first by surgical ligation (3) and more recently by catheter-delivered closure devices (4), has been available as a highly effective and relatively low-risk cure for the malformation.
High parasternal ductal view showed a short patent ductus arteriosus (PDA) with a diameter of 5 mm and a turbulent flow in the pulmonary trunk, suggesting a patent ductus arteriosus (Fig.
The cardiology department also performed a rare cardiac procedure on a 21-year-old patient with a cardiac congenital defect called patent ductus arteriosus.
Chapters in the structural heart disease section address cardiovascular hybrid operating rooms; access techniques for transcatheter aortic valves; transfemoral transcatheter aortic valve replacement; transapical valve technology for aortic stenosis; axillary/subclavian access for transcatheter aortic valve replacement; aortic and transvalvular aortic valve replacement; transcatheter mitral leaflet repair; mitral stenosis/mitral regurgitation and devices; real-time magnetic resonance imaging guidance in cardiac surgery; patent ductus arteriosus; patent foramen ovale; and use of the Articulated Robotic MedProbe snake robot for single port surgery.
In most patients, these alterations cause a severe short circuit from left to right--similar to that of patients with left-to-right shunts, such as patent ductus arteriosus or VSD--leading to the development of congestive heart failure with dyspnea and hepatomegaly (5) mainly during the first year of life or later in childhood.
For example, the ductus of Indian scripts (Salomon's specialty) tends towards straight lines and sharp angles in northern India, for example in Bengali, whereas that of southern Indian scripts, such as Tamil, emphasises curved lines and rounded forms.
Patent ductus arteriosus - the failure of a small blood vessel in the heart known as the ductus arteriosus to close soon after birth, preventing progress of normal circulation.
In the female genitalia, the vaginal plate has a characteristic oval cut, the bursa copulartrix has no signa and the ductus is short tubular.
The FTC and Minnesota's attorney general filed suit against Lundbeck in 2008 after the pharmaceutical company allegedly tried to corner the market on drugs combating patent ductus arteriosus (PDA), and then drastically increased their prices.