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Balıklarda lenfoid organlar

Year 2009, Volume: 80 Issue: 2, 13 - 18, 01.04.2009

Abstract

Balıklar, devonien çağı boyunca evrimsel olarak meydana gelen ilk omurgalı hayvanlar olup, omurgalıların en fazla tür çeşitliliğinin bulunduğu grubudur. Balıklarda primer lenfoid organlar böbrek ve timusdan, sekonder lenfoid doku ve organlar ise dalak ve GALT (Gut Associated Lymphoid Tissue)’dan oluşur. Böbreğin lenfoid dokusu hem immun reaksiyonun gerçekleştiği hem de B lenfositlerin köken aldığı yerdir. Balıklarda memelilerden farklı olarak lenf düğümü ve germinal merkez bulunmaz. Germinal merkez ile aynı görevi gören melanomakrofaj merkezleri (melanomacrophage centers, MMC) bulunmaktadır. Bunun yanında kemikli balıklarda, damarlar ve ilik alanları bulunmasına rağmen hemopoietik özelliği yoktur

Lymphoid organs of fishes

Year 2009, Volume: 80 Issue: 2, 13 - 18, 01.04.2009

Abstract

Fishes are among the first vertebrates that evolved during the devonian period and constitute the most variant group of vertebrates at the species level. In fishes, the primary lenfoid organs consist of kidney and thymus, whereas the secondary lymphoid organs are spleen and GALT (Gut Associated Lymphoid Tissue). Lymphoid tissue of the kidney serves as the tissue responsible not only for the immune reaction but also the source of B lymphocytes. Unlike mammals, fishes do not have lymph nodes and germinal centers. The functions of germinal centers are carried out by the melanomacrophage centers (MMC). Also, although vasculer channels and marrow area do exist in osteichytes, they do not play a role in hematopoiesis

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Details

Other ID JA42YG26PF
Journal Section Research Article
Authors

Müge Bozkurt This is me

Ülker Eren This is me

Publication Date April 1, 2009
Submission Date April 1, 2009
Published in Issue Year 2009 Volume: 80 Issue: 2

Cite

Vancouver Bozkurt M, Eren Ü. Lymphoid organs of fishes. Vet Hekim Der Derg. 2009;80(2):13-8.

Veteriner Hekimler Derneği Dergisi (Journal of Turkish Veterinary Medical Society) is an open access publication, and the journal’s publication model is based on Budapest Access Initiative (BOAI) declaration. All published content is licensed under a Creative Commons CC BY-NC 4.0 license, available online and free of charge. Authors retain the copyright of their published work in Veteriner Hekimler Derneği Dergisi (Journal of Turkish Veterinary Medical Society). 

Veteriner Hekimler Derneği / Turkish Veterinary Medical Society