File:Lymph node cartoon 02.jpg: Difference between revisions
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* '''B''' - B-cell zones | * '''B''' - B-cell zones | ||
* '''DC''' - dendritic cells | * '''DC''' - dendritic cells | ||
* '''FRC''' - fibroblastic reticular cells | * '''FRC''' - fibroblastic reticular cells | ||
* '''HEV''' - high endothelial venues | * '''HEV''' - high endothelial venues | ||
|} | |} | ||
===Dendritic cells=== | ===Dendritic cells=== | ||
* Dendritic cells (DCs) with small numbers of lymphocytes enter lymph nodes through the afferent lymphatics. | * Dendritic cells (DCs) with small numbers of lymphocytes enter lymph nodes through the afferent lymphatics. | ||
* then accumulate in the vicinity of high endothelial venules. | * then accumulate in the vicinity of high endothelial venules. | ||
* high endothelial venules are surrounded by fibroblastic reticular cells (FRCs) | * high endothelial venules are surrounded by fibroblastic reticular cells (FRCs) | ||
===Fibroblastic reticular cells=== | ===Fibroblastic reticular cells=== | ||
* (FRCs) form channels (FRC conduits) that project from the subcapsular sinus into the T-cell zone. | * (FRCs) form channels (FRC conduits) that project from the subcapsular sinus into the T-cell zone. | ||
* Some chemokines produced extranodally might reach HEVs through the FRC conduit. | * Some chemokines produced extranodally might reach HEVs through the FRC conduit. | ||
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===Reference=== | ===Reference=== | ||
{{#pmid:15122201}} | |||
====Copyright==== | |||
Adapted by permission from Macmillan Publishers Ltd: Nat. Rev. Immunol.: 2004, 4(5);360-70, copyright (2004) | Adapted by permission from Macmillan Publishers Ltd: Nat. Rev. Immunol.: 2004, 4(5);360-70, copyright (2004) |
Revision as of 11:21, 12 February 2019
Cell Trafficking into and out of Lymph Nodes
Lymphocytes and dendritic cells (DCs) enter lymph nodes by different routes.
Lymphocytes
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Legend
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Dendritic cells
- Dendritic cells (DCs) with small numbers of lymphocytes enter lymph nodes through the afferent lymphatics.
- then accumulate in the vicinity of high endothelial venules.
- high endothelial venules are surrounded by fibroblastic reticular cells (FRCs)
Fibroblastic reticular cells
- (FRCs) form channels (FRC conduits) that project from the subcapsular sinus into the T-cell zone.
- Some chemokines produced extranodally might reach HEVs through the FRC conduit.
See also Lymph node - high endothelial venule cartoon.
- Lymph Node Cartoons: Detailed structure | Cartoon with Histology | Lymphocyte traffic | Simple structure | Simple node anatomy | Wiki node image | Internal structure | Mesenteric lymph node | Histology | Gallery | Lymph Node Development
Reference
Miyasaka M & Tanaka T. (2004). Lymphocyte trafficking across high endothelial venules: dogmas and enigmas. Nat. Rev. Immunol. , 4, 360-70. PMID: 15122201 DOI.
Copyright
Adapted by permission from Macmillan Publishers Ltd: Nat. Rev. Immunol.: 2004, 4(5);360-70, copyright (2004)
Licensee: Mark A Hill License Number: 2857291045727 Publication: Nature Reviews Immunology
Title: Lymphocyte trafficking across high endothelial venules: dogmas and enigmas Type Of Use: post on the internet
https://s100.copyright.com/CustomerAdmin/PLF.jsp?lID=2012021_1330385293727
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