歌鸫（Turdus philomelos，雀形目：鸫科）体内半管似盲线虫（Porrocaecum semiteres，泽德，1800年）（线虫纲：蛔目）的重新描述
Redescription of Porrocaecum semiteres (Zeder, 1800) (Nematoda: Ascaridida) from the Song Thrush Turdus philomelos (Passeriformes: Turdidae).
作者信息
Li Liang, Scholz Tomáš
机构信息
Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, Hebei, People's Republic of China.
Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, 370 05, České Budějovice, Czech Republic.
出版信息
Acta Parasitol. 2019 Mar;64(1):1-6. doi: 10.2478/s11686-018-00001-z. Epub 2019 Jan 14.
INTRODUCTION
Porrocaecum semiteres (Zeder, 1800) (Ascaridida: Ascaridoidea) occurs frequently in various birds in Europe. However, the knowledge of the morphology of this species remains insufficient.
METHODS
Light and scanning electron microscopy were used to study the detailed morphology of adults of P. semiteres based on newly collected specimens from Turdus philomelos in the Czech Republic.
RESULTS
Some previously unreported morphological features were revealed, including the presence of a medio-apical notch, 70-80 small conical denticles and one pair of submedial pores on each lip, the absence of caudal alae, the presence of four pairs of postcloacal papillae, and a single, medio-ventral precloacal papilla.
引言
半管圆线虫（Porrocaecum semiteres）（泽德，1800年）（蛔目：蛔总科）在欧洲的各种鸟类中频繁出现。然而，对该物种形态学的了解仍然不足。
方法
基于从捷克共和国的歌鸫（Turdus philomelos）新采集的标本，利用光学显微镜和扫描电子显微镜研究了半管圆线虫成虫的详细形态。
结果
揭示了一些以前未报道的形态特征，包括每个唇上存在一个中顶端凹口、70 - 80个小锥形小齿和一对亚内侧孔，无尾翼，存在四对泄殖腔后乳突，以及一个单一的、位于腹侧的泄殖腔前乳突。
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