Journals / Veteriner Hekimler Derneği Dergisi / 2026 / Cilt: 80 Sayı: 2

Lymphoid organs of fishes

Balıklarda lenfoid organlar

Pages
13–18
Publication Date
2009-04-01
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Also, although vasculer channels and marrow area do exist in osteichytes, they do not play a role in hematopoiesis

📌 3 Key Takeaways

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Objective & Hypothesis:Fishes are among the first vertebrates that evolved during the devonian period and constitute the most variant group of vertebrates at the species level.
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Key Findings & Data:In fishes, the primary lenfoid organs consist of kidney and thymus, whereas the secondary lymphoid organs are spleen and GALT (Gut Associated Lymphoid Tissue).
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Conclusion & Impact:Also, although vasculer channels and marrow area do exist in osteichytes, they do not play a role in hematopoiesis
🔬Design:Makale
📍Scope:Comprehensive Sample
⚙️Variables:Balık · histoloji · lenfoid organlar

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

Özet

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

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Cite This Article

Bozkurt, M., Eren, Ü. (2009). Lymphoid organs of fishes. Veteriner Hekimler Derneği Dergisi, Cilt: 80 Sayı: 2, 13–18. https://ajindex.com/articles/1314546

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