duct

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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 ?
Prevention of bile duct injury: the case for incorporating educational theories of expertise.
In the company's history of making catheters for a variety of therapeutic areas, the Advance Salivary Duct Balloon Catheter is their first high-pressure balloon dedicated to salivary duct intervention and is part of its dedicated sialendoscopy product range.
* Mould: If there is visible damage to ducts or its covering, probably there is growth of fungus inside the duct due to moisture or a water leak.
(2,5) A transected bile duct draining a segment or a smaller part of the liver can be safely ligated before it becomes colonized with bacteria and fungi.
Among different vehicle types, the passenger car segment dominated the global automotive ducts market in 2018.
The anatomical variations of the extrahepatic bile ducts are very important during laparoscopic surgery and liver surgery and transplantation (1,2).
In conclusion, the anatomical variants of the bile duct most frequently found are related to the right and left bile ducts and the draining hepatic segments.When reviewing the anatomy books and the available specialized bibliography, related to the hepatobiliary pathway and its anatomical variations, this anatomical presentation was not reported, so it is available to readers and especially to laparoscopic surgeons and radiologists in order to reduce the procedural risks in the bile duct.
Unlined rectangular cross-section ducts provide several decibels (dB) of noise attenuation at low frequencies, but are ineffective at higher frequencies.
The dorsal diverticulum develops into the dorsal portion of the pancreas, while the ventral diverticulum (hepatic diverticulum) develops into the liver, gallbladder, bile ducts, and ventral pancreas (10-13).
Wang, "Endoscopic nasobiliary drainage for bile leak caused by injury to the ducts of Luschka," Korean Journal of Gastroenterology, vol.
Pressure drop data were calculated using ASHRAE's "Duct Fitting Database" (1) or SMACNA's HVAC Systems Duct Design.
"Until now, there has been little evidence of a potential role for aspirin in the prevention of bile duct cancer," noted coauthor Roongruedee Chaiteerakij, MD, PhD.