Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)

KORKMAZ, DENIZ; ASTI, Resat Nuri; BAYRAKTAROGLU, ALEV GÜROL; ALTUNAY, Hikmet; KURTDEDE, Nevin

Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)

Alev Gürol BAYRAKTAROĞLU, (Ankara Üniversitesi, Veteriner Fakültesi, Histoloji Embriyoloji Anabilim Dalı, Ankara, Türkiye)

Deniz KORKMAZ, (Adnan Menderes Üniversitesi, Veteriner Fakültesi, Histoloji Embriyoloji Anabilim Dalı, Aydın, Türkiye)

Resat Nuri ASTI, (Ankara Üniversitesi, Veteriner Fakültesi, Histoloji Embriyoloji Anabilim Dalı, Ankara, Türkiye)

Nevin KURTDEDE, (Ankara Üniversitesi, Veteriner Fakültesi, Histoloji Embriyoloji Anabilim Dalı, Ankara, Türkiye)

Hikmet ALTUNAY (Mehmet Akif Ersoy Üniversitesi, Veteriner Fakültesi, Burdur, Türkiye)

Kafkas Üniversitesi Veteriner Fakültesi Dergisi

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Yıl: 2011 Cilt: 17 Sayı: 1 Sayfa Aralığı: 89 - 94 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)

Öz:

Bu çalışma devekuşunda (Struthio camelus) konjunktiva ilişkili lenfoid doku (CALT)’nun yapısını ortaya koymak amacıyla yapıldı. Mezbahaneden sağlanan 5 adet sağlıklı erişkin devekuşu alt ve üst göz kapakları çalışma materyali olarak alındı. Agregat lenf foliküllerinin alt palpebral konjunktivada fibröz flap’ın altında geniş bir alana yayıldığı, üst palpebral konjunktivada ise dağılımlarının nazolakrimal punktuma yakın bölgelerde sınırlı olduğu görüldü. Işık mikroskobik incelemede konjunktiva epiteli, non-lenfoid ve lenfoid bölgeler arasında farklılık gösteriyordu. Non-lenfoid bölgeler kadeh hücresi içeren yalancı çok katlı prizmatik epitele sahipti. Lenfoid bölgelerde ise folikül ilişkili epitel (FAE) kadeh hücresi içermeyen ve tek katlı yassı epitelden oluşmaktaydı. Bu bölgelerde subepitelyumda agregat ve/veya soliter lenf folikülleri bulunmaktaydı. Lenf foliküllerinde dome, germinal merkez, korona ve interfoliküler bölgeleri ayırt ediliyordu. Ayrıca interfoliküler alanlarda lenfosit göçünde görev alan yüksek endotelli venüller (HEV) görüldü. Elektron mikroskobik incelemelerde, FAE’nin immun sistem hücreleri ile yakın ilişkide olduğu gözlendi. FAE’de tipik membranöz hücrelere (M hücreleri) benzer şekilde kısa, kalın ve az sayıda mikrofoldlar dikkat çekti. CALT’ın makroskobik, mikroskobik ve ultrastruktural yapısı üzerinde elde edilen bulgular ile; bu dokunun devekuşundaki (Struthio camelus) yapısı ortaya konuldu.

Anahtar Kelime: lenfositler epitel devekuşu hayvan anatomisi konjunktiva gözler

Konular: Veterinerlik

Devekuşunda (Struthio camelus) konjunktiva ilişkili lenfoid doku

Öz:

This study was aimed at the investigation of the structure of conjunctiva-associated lymphoid tissue (CALT) in the ostrich(Struthio camelus). The upper and lower eyelids of 5 healthy adult ostriches obtained from a slaughterhouse constituted thematerial of the study. Aggregated lymphoid follicles occupied a large area beneath the fibrous flap in the lower palpebralconjunctiva, while their distribution in the upper palpebral conjunctiva was observed to be limited to regions near thenasolacrimal punctum. Light microscopic examination revealed the conjunctival epithelium to differ between non-lymphoidand lymphoid regions. Non-lymphoid regions had pseudostratified prismatic epithelium containing goblet cells. Follicle-associated epithelium (FAE) in lymphoid regions was composed of single-layered squamous epithelium without goblet cells.Aggregated and/or solitary lymphoid follicles were present in the subepithelium. Dome area, germinal centre, corona andinterfollicular region were able to be distinguished in lymphoid follicles. Furthermore, interfollicular regions contained highendothelial venules, which are involved in lymphocyte migration. Electron microscopic examination demonstrated that FAE wasclosely associated with immune system cells. Cells, which resembled typical M cells in having short, thick apical micro-folds and vesicles, were present in the FAE. In the present study, the structure of CALT was demonstrated in the ostrich (Struthio camelus), based on macroscopic, microscopic and ultrastructural findings.

Anahtar Kelime: conjunctiva eyes lymphocytes epithelium ostriches animal anatomy

Konular: Veterinerlik

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	BAYRAKTAROGLU A, KORKMAZ D, ASTI R, KURTDEDE N, ALTUNAY H (2011). Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). , 89 - 94.
Chicago	BAYRAKTAROGLU ALEV GÜROL,KORKMAZ DENIZ,ASTI Resat Nuri,KURTDEDE Nevin,ALTUNAY Hikmet Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). (2011): 89 - 94.
MLA	BAYRAKTAROGLU ALEV GÜROL,KORKMAZ DENIZ,ASTI Resat Nuri,KURTDEDE Nevin,ALTUNAY Hikmet Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). , 2011, ss.89 - 94.
AMA	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). . 2011; 89 - 94.
Vancouver	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). . 2011; 89 - 94.
IEEE	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H "Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)." , ss.89 - 94, 2011.
ISNAD	BAYRAKTAROGLU, ALEV GÜROL vd. "Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)". (2011), 89-94.

APA	BAYRAKTAROGLU A, KORKMAZ D, ASTI R, KURTDEDE N, ALTUNAY H (2011). Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 17(1), 89 - 94.
Chicago	BAYRAKTAROGLU ALEV GÜROL,KORKMAZ DENIZ,ASTI Resat Nuri,KURTDEDE Nevin,ALTUNAY Hikmet Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). Kafkas Üniversitesi Veteriner Fakültesi Dergisi 17, no.1 (2011): 89 - 94.
MLA	BAYRAKTAROGLU ALEV GÜROL,KORKMAZ DENIZ,ASTI Resat Nuri,KURTDEDE Nevin,ALTUNAY Hikmet Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). Kafkas Üniversitesi Veteriner Fakültesi Dergisi, vol.17, no.1, 2011, ss.89 - 94.
AMA	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2011; 17(1): 89 - 94.
Vancouver	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus). Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2011; 17(1): 89 - 94.
IEEE	BAYRAKTAROGLU A,KORKMAZ D,ASTI R,KURTDEDE N,ALTUNAY H "Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)." Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 17, ss.89 - 94, 2011.
ISNAD	BAYRAKTAROGLU, ALEV GÜROL vd. "Conjunctiva associated lymphoid tissue in the ostrich (Struthio camelus)". Kafkas Üniversitesi Veteriner Fakültesi Dergisi 17/1 (2011), 89-94.