Investigations on the Light and Scanning Electron Microscopic Structure of the Lingual Papillae in the Angora Goat (Capra hircus): I. Gustatory Papillae[

Year 2020, Volume: 31 Issue: 2, 158 - 166, 31.12.2020

Burhan Toprak , Selami Candan , Nurcan Özyurt Koçakoğlu

https://doi.org/10.35864/evmd.805651

Cited By: 2

Abstract

: In this study, the structure of the gustatory papillae on tongue in the Ankara goat was examined by light (LM) and scanning electron microscope (SEM). In the study, tongues of four adult female Angora goats were used. For Light and Scanning Electron Microscope, lingual samples were taken from the apex, corpus, radix and torus regions of the dorsal lingual surfaces with ventral surface of tongue tip. Two types of gustatory papillae as fungiform and vallate papillae were observed on the tongue of the Angora goat. The fungiform papillae were detected on the ventral surface of tongue tip, dorsal and lateral parts of the lingual apex and body with both sides of the torus lingua. These papillae were round and mushroom like shape and their morphology displayed variety according to their location. In the SEM investigations, on the dorsal surface of fungiform papillae were observed taste pores. In LM examinations, taste buds were found in the epithelium of the dorsal parts of these papillae. The vallate papillae were observed on both caudo-lateral sides of the torus lingua. These papillae were encircled with a prominent papillary groove and there were annular pads. In SEM examinations, the surfaces of these papillae were flat and the taste pores opened to the surface were absent. In LM examinations, taste buds of vallate papillae were observed in the epithelium of the inner trench walls of the papillae. As a result, the light and scanning electron microscopic structure of the gustatory papillae on the tongue of Angora goat were examined and their similarities and differences with other ruminant species were determined.

Keywords

Angora goat, gustatory papillae, light microscopy, scanning electron microscopy, taste bud

Ankara Keçisinde (Capra hircus) Dil Papillalarının Işık ve Taramalı Elektron Mikroskobik Yapısı Üzerine İncelemeler: I. Tat Papillaları*

Abstract

Bu çalışmada Ankara keçisi dilindeki tat papillalarının yapısı ışık (IM) ve taramalı elektron mikroskobuyla (SEM) incelendi. Çalışmada dört adet erişkin dişi Ankara keçisi dilleri kullanıldı. Işık ve taramalı elektron mikroskobu için dil örnekleri, dilin üst yüzünün apex, corpus, radix ve torus lingua bölgeleri ile dil ucunun alt yüzünden alındı. Ankara keçisi dilinde papilla fungiformis ve papilla vallata olmak üzere iki tip tat papillası gözlendi. Papilla fungiformis’ler, dil ucunun altı, dilin uç ve gövde kısmının üst yüzü ile yanlarında ve torus lingua’nın her iki yan tarafında tespit edildi. Bu papillalar, yuvarlak ve mantar şeklinde olup morfolojileri bulundukları yerlere göre farklılık göstermekteydi. SEM incelemelerinde, papilla fungiformis’lerin üst yüzeyinde tat porusları görüldü. Işık mikroskobu kesitlerinde bu papillaların tepesindeki epitel tabakada tat tomurcukları mevcuttu. Papilla vallatalar, dilin torus lingua bölgesinin her iki arka yan kısmında gözlendi. Bu papillaların etrafı belirgin bir hendekle çevriliydi ve annülar pedler mevcuttu. SEM incelemelerinde, papillaların yüzeyi düzdü ve yüzeye açılan tat porusları mevcut değildi. IM incelemesinde, papilla vallata tat tomurcuklarının papillanın hendeğe bakan duvarında intraepiteliyal olarak bulundukları gözlendi. Ankara keçisi dilindeki tat papillalarının ışık ve taramalı elektron mikroskobik yapısı incelenerek diğer ruminant türleriyle olan benzerlikleri ve farklılıkları belirlenmiştir.

Keywords

Ankara keçisi, ışık mikroskop, taramalı elektron mikroskop, tat papillaları, tat tomurcuğu

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