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 ?
Bile duct confluence: anatomic variations and its classification.
Even when straight, the roughness of the flexible duct can cause errors in velocity pressure (VP) sensor readings by the boxes flow sensor, as shown in Figure 1.
Several variants of salivary duct carcinoma such as sarcomatoid variant, low grade or mucin rich salivary duct carcinoma have been described.
Dacryocystitis is inflammation of lacrimal sac and can occur due to trauma and/or infection, leading to blockage of duct system (Slatter, 2003).
Chaiteerakij noted that it remains to be seen whether aspirin is safe and cost-effective for the purpose of protecting against bile duct cancer.
The black arrow depicts the normal gallbladder, with the cystic duct entering the common bile duct.
To discover more on the air duct cleaning service offered by Vancouver-based Michael A.
The company is the sole licensee manufacturer of sound attenuators and the complete range of acoustic products from Galloway Acoustics UK as well as of the Galloway Fenland Fire Rated Duct System for the UAE, Oman, Qatar, Bahrain and Kuwait.
Magnetic resonance cholangiopancreatography (MRCP) showed the common bile duct was indistinguishable, with multiple nodular low signals in the hilar bile duct, and the intrahepatic bile duct was dilated (Fig.
Recently, Reynolds (2015), as part of ASHRAE Research Project RP-1408, has performed a far more extensive measurement campaign than has previously been undertaken, considering different duct lengths and circular and rectangular cross sections.
The cystic artery and cystic duct were ligated with clips after the cystic duct, the common hepatic duct, and the common hepatic duct were identified [Figure 1].
Cook Medical's OHNS division is focused on developing minimally invasive treatment options, like the Advance Salivary Duct Balloon Catheter Set.