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 ?
when it comes to the diagnosis of atypia and ductal carcinoma in situ, and the computer-based automated approach shows great promise," Elmore said.
A strong expression of TGF-[alpha] in ductal epithelial cells of SLG was found at week five with the post-natal growth of SLG.
Among these 22 patients, sialolithiasis was diagnosed in 12, and the remaining 10 patients with idiopathic chronic sialadenitis had ductal scars.
The histological aspects oriented towards an UCOGC associated with conventional pancreatic ductal carcinoma.
The natural history of low-grade ductal carcinoma in situ of the breast in women treated by biopsy only revealed over 30 years of long-term follow-up.
Myoepithelial cells in solid variant of intraductal papillary carcinoma of the breast: a potential diagnostic pitfall and a proposal of an immunohistochemical panel in the differential diagnosis with usual ductal hyperplasia.
Out of the 32 diagnosis of fibroadenoma on FNAC, histology confirmed: 25 (78.1%) to be fibroadenoma, five (15.6%) to be fibrocystic changes and one (3.1%) each of invasive ductal carcinoma and mastitis.
The grade of microvessel density was assessed and correlated with presence of epithelial hyperplasia in fibrocystic disease of breast and with varying grades of invasive ductal carcinoma.
Pre and Post ductal oxygen saturation###Diagnosis on Echocardiography###Total
Methods: 50 cases of invasive ductal carcinoma of breast diagnosed on trucut, core biopsy/ incision/ excision was collected from Lahore General Hospital, Lahore.