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 ?
Among different vehicle types, the passenger car segment dominated the global automotive ducts market in 2018.
With its simple connecting method, the DongWoo fiber duct can be installed quickly in various forms and allows customers to reduce required cost, time, and manpower.
Right hepatic duct opening into the cystic duct: the role of pre- and intraoperative cholangiography.
The Colombian legislation is clear when indicating that, when performing a medical-legal necropsy procedure, it must be complete and all organs must be checked, which includes the bile duct. In this case, it is a male individual who dies from unnatural causes; when exploring the bile duct in search of stones, it is observed that the cystic duct empties between the confluence of the right and left hepatic ducts, giving the appearance of a "trident" (Fig.
Insertion loss has been preferred because all measurements are made at the outlet of the duct. The measurement procedure is described for HVAC applications in ASTM E477-13 (2013), and is illustrated in Figure 1.
We retrospectively evaluated the MRCP images of a total of 145 patients who were incidentally diagnosed as having the variation PD on MRCP performed between August 2011 and November 2016 for the presence of bile duct anomalies.
A retrospective evaluation of the cross-sectional imaging revealed an incomplete septum extending from the hilum to the distal end of the common bile duct (Figures 2(a) and 2(b)).
Option A (conical tap with flexible duct) is the least expensive option, but it is not recommended for any applications for the following reasons:
Editor's Note: "Chronic persistent inflammation is one of the key elements that promote cancer of the bile ducts, and well-known risk factors for bile duct cancer have all been shown to increase the risk for bile duct cancer by inducing chronic inflammation of the ducts," Dr.
Salivary duct carcinoma represents a rare and aggressive tumour with an estimated incidence of 1-3% of all malignant salivary gland tumours.
A Dacryocystitis and obstruction of nasolacrimal duct resulting in abscessation at the medial canthus of eye in a rabbit is reported.
Regular use of aspirin was linked with a significantly reduced risk of developing bile duct cancer, also called cholangiocarcinoma, in a recent study.