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a continuous tube formed by a row of elongated cells lacking intervening end walls
an enclosed conduit for a fluid
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snakes fangs" (同)epithelial duct, canal, channel
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送水管;(建物・船などの)通気管;(地下ケーブルなどの)ダクト / (体液を運ぶ)導管,(植物が水・空気を運ぶ)導管
…‘を'間に入れる,挿入する / 〈うるうの日・月〉‘を'暦に入れる

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/12/04 04:59:00」(JST)

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The intercalated duct, also called intercalary duct, is the portion of an exocrine gland leading directly from the acinus to a striated duct. The intercalated duct forms part of the intralobular duct. This duct has the thinnest epithelium of any part of the duct system, and the epithelium is usually classified as "low" simple cuboidal.^[1]

They are found in both the pancreas^[2]^[3]^[4] and in salivary glands.^[5]^[6]^[7]

References[edit]

^ "Histology of Glands". Southern Illinois University. Retrieved 23 May 2011.
^ Organology at UC Davis digestive/mammal/pancreas/pancreas1 - "Mammal, pancreas (LM, Medium)"
^ Slide at uottawa.ca
^ Physiology at MCG 6/6ch4/s6ch4_17
^ Slide at usc.edu
^ Organology at UC Davis Digestive/mammal/salivary1/salivary3 - "Mammal, salivary glands (LM, Medium)"
^ Physiology at MCG 6/6ch4/s6ch4_4

External links[edit]

Intercalated+duct at eMedicine Dictionary

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UpToDate Contents

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1. 総胆管損傷の修復 repair of common bile duct injuries
2. 甲状舌管嚢胞および異所性甲状腺 thyroglossal duct cysts and ectopic thyroid
3. 小児における先天性鼻涙管閉塞（涙管閉鎖症）および涙嚢ヘルニア congenital nasolacrimal duct obstruction dacryostenosis and dacryocystocele
4. 肝内胆管の消失および胆管消失症候群 hepatic ductopenia and vanishing bile duct syndrome
5. 成人における外傷による十二指腸および膵臓損傷のマネージメント management of duodenal and pancreatic trauma in adults

English Journal

Distinct α-Intercalated Cell Morphology and its Modification by Acidosis Define Regions of the Collecting Duct.

Purkerson JM1, Schwaderer AL2, Nakamori A3, Schwartz GJ4.
American journal of physiology. Renal physiology.Am J Physiol Renal Physiol.2015 Jun 17:ajprenal.00161.2015. doi: 10.1152/ajprenal.00161.2015. [Epub ahead of print]
During metabolic acidosis, the cortical collecting duct (CCD) of the rabbit reverses the polarity of bicarbonate flux from net secretion to net absorption, and this is accomplished by increasing the proton secretory rate by α-intercalated cells (α-ICs) and decreasing bicarbonate secretion by β-IC
PMID 26084929

Effect of dietary protein restriction on renal ammonia metabolism.

Lee HW1, Osis G1, Handlogten ME1, Guo H2, Verlander JW1, Weiner ID3.
American journal of physiology. Renal physiology.Am J Physiol Renal Physiol.2015 Jun 15;308(12):F1463-73. doi: 10.1152/ajprenal.00077.2015. Epub 2015 Apr 29.
Dietary protein restriction has multiple benefits in kidney disease. Because protein intake is a major determinant of endogenous acid production, it is important that net acid excretion change in parallel during protein restriction. Ammonia is the primary component of net acid excretion, and inappro
PMID 25925252

Harvest and primary culture of the murine aldosterone-sensitive distal nephron.

Labarca M1, Nizar JM1, Walczak EM1, Dong W1, Pao AC2, Bhalla V3.
American journal of physiology. Renal physiology.Am J Physiol Renal Physiol.2015 Jun 1;308(11):F1306-15. doi: 10.1152/ajprenal.00668.2014. Epub 2015 Mar 25.
The aldosterone-sensitive distal nephron (ASDN) exhibits axial heterogeneity in structure and function from the distal convoluted tubule to the medullary collecting duct. Ion and water transport is primarily divided between the cortex and medulla of the ASDN, respectively. Transcellular transport in
PMID 25810438

Japanese Journal

Distribution of Dendritic Cells in Normal Human Salivary Glands

Le An,Saverin Michele,Hand Arthur R.
ACTA HISTOCHEMICA ET CYTOCHEMICA advpub(0), 1107140113, 2011
… In H&E sections, elongated, irregularly shaped nuclei were occasionally seen in the striated and excretory duct epithelium. … Morphometric analyses indicated that HLA-DR-positive DC occupied approximately 4–11% of the duct wall volume. … Similar reactive cells were present in acini, intercalated ducts and interstitial tissues. …
NAID 130000941527

Immunohistochemical and Immunocytochemical Localization of Amylase in Rat Parotid Glands and von Ebner’s Glands by Ion Etching-Immunoscanning Electron Microscopy

Yahiro Junko,Inai Tetsuichiro,Tsutsui Akihito,Sato Atsuko,Nagato Toshikazu,Taniguchi Kunihisa,Tsuruga Eichi,Sawa Yoshihiko
ACTA HISTOCHEMICA ET CYTOCHEMICA advpub(0), 1108080119, 2011
… At the light microscopic level, most acinar secretory granules (SG) and striated duct secretions of parotid glands were strongly stained dark brown. … In von Ebner’s glands, acinar SG and duct secretions were weakly to strongly stained light to dark brown. …
NAID 130000941525