Gökkusagı Alabalıgı (Oncorhynchus mykiss)'nda Eksternal Tat Tomurcuklarının Dagılımı ve Yogunlugu

Yıl 2009, Cilt: 13 Sayı: 1, 6 - 9, 01.07.2009

Dilek Diler Emel Demirbağ Kenan Çınar Alkan Karaoğlu

Öz

Bu çalısmada balıklarda beslenme, yön bulma ve sosyal davranıs gibi aktivitelerde rol oynayan eksternal tat tomurcuklarının gökkusagı alabalıgı (Oncorhynchus mykiss)' nın farklı vücut bölgelerindeki dagılımı ve yogunlugunun belirlenmesi amaçlandı. Yapılan incelemeler sonucunda tat tomurcuklarının dudaklar, pektoral ve pelvik yüzgeçler ile pektoral-anal yüzgeç arası lateral bölgelerde dagılım gösterdigi tespit edildi. Ayrıca alt ve üst dudaklarda çalısılan diger bölgelere nazaran daha yogun oldukları belirlendi. Tat tomurcuklarının bulundugu epitelin çok katlı yassı non-keratinize karakter gösterdigi belirlendi.

Anahtar Kelimeler

Eksternal Tat Tomurcuğu, Gökkuşağı Alabalığı, Oncorhynchus mykiss

Kaynakça

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