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1. An often enclosed passage or channel for conveying a substance, especially a liquid or gas.
2. Anatomy A tubular bodily canal or passage, especially one for carrying a glandular secretion: a tear duct.
3. A tube or pipe for enclosing electrical cables or wires.
tr.v. duct·ed, duct·ing, ducts
1. To channel through a duct: duct the moist air away.
2. To supply with ducts.

[Latin ductus, act of leading, from past participle of dūcere, to lead; see deuk- in Indo-European roots.]

duct′al adj.
duct′less adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


relating to a duct or tube-like structure in the body that carries bodily fluids
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


a. rel. a un conducto o canal.
English-Spanish Medical Dictionary © Farlex 2012


adj ductal
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
That earlier research revealed that diagnostic errors occurred in about one out of every six women who had ductal carcinoma in situ (a noninvasive type of breast cancer), and that incorrect diagnoses were given in about half of the biopsy cases of breast atypia (abnormal cells that are associated with a higher risk for breast cancer).
In the early 1990s, the anatomy and diseases of the gland and ductal system started to be evaluated better by the first salivary gland endoscopes of Konigsberger and Katz (1, 2).The first sialendoscopy case series were published in 1997 by Nahlieli and in 2000 by Marchal (2).
Summing less than 1% among malignant epithelial pancreatic proliferations [7], the tumor has origin in the pancreatic ductal epithelium and a similar genic signature with ductal carcinoma [8], but very different morphology and variable prognosis [9, 10].
I read with great interest pictorial essay entitled "Pancreas ductal adenocarcinoma with cystic features on cross-sectional imaging: radiologic-pathologic correlation" by Seo Yeon Youn et al.
The advent of mammographic screening led to a dramatic increase in the incidence of ductal carcinoma in situ (DCIS), but that has not been paralleled by a decrease in invasive carcinoma.
According to the companies, the key objective of the Phase I dose-escalation trial (EUDRACT Number 2017-001263-20) is to evaluate the safety and activity, as well as to identify the optimum systemically-administered dose of radiation to treat patients with any of the following solid tumors expressing NTSR1: pancreatic ductal adenocarcinoma, colorectal cancer, gastric cancer, gastrointestinal stromal tumors, Ewing sarcoma and squamous cell carcinoma of the head and neck.
MONDAY, June 4, 2018 (HealthDay News) -- The oxaliplatin, leucovorin, irinotecan, and 5-fluorouracil (mFOLFIRINOX) regimen is associated with longer median disease-free and overall survival in pancreatic ductal adenocarcinoma; and, receiving chemotherapy before surgery is associated with better disease-free survival, according to two studies presented at the annual meeting of the American Society of Clinical Oncology, held from June 1 to 5 in Chicago.
Based on the numerous studies into the biology of pancreatic ductal adenocarcinoma, it has been proved that it develops due to cancerous transformation of epithelial cells in pancreatic ducts.
F P NS (1974) [5] F P F P M P Suen JS et al F A Breast cancer (1990) [7] (stage II) Shah AK et al F P Invasive ductal (1990) [8] carcinoma Von Knorring et al.
In the histopathological appearance of the solid papillary carcinoma, the tumor comprises of cellular islands, ductal structures, and intensive fibrous connective tissues between them.