一种来自弯角剑羚（Oryx dammah）的新型球虫寄生虫（顶复门：艾美耳科）。
A new coccidian parasite (Apicomplexa: Eimeriidae) from the scimitar-horned oryx, Oryx dammah.
作者信息
Alyousif Mohamed S, Al-Shawa Yaser R
机构信息
Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia.
出版信息
J Egypt Soc Parasitol. 2002 Apr;32(1):241-6.
Oocysts of Eimeria oryxae sp. n. are described from the faeces of the scimitar-horned oryx, Oryx dammah (Cretzschmar, 1826), from Zoo Garden, Riyadh City, Saudi Arabia. Sporulated oocysts were ellipsoid in shape measuring 20.9 x 17.1 (16.7-24.2 x 15.5-20.2) microm, with smooth brownish-yellow double layered wall. Micropyle and ellipsoidal polar granules are present, but micropylar cap and oocyst residuum are absent. Sporocysts are ovoid, reaching 10.0 x 5.7 (9.2-11.0 x 5.2-6.5) microm with Stieda body and sporocyst residuum. Sporozoites are elongated, each with large and small refractile body.
新种羚羊艾美球虫的卵囊是从沙特阿拉伯利雅得市动物园的弯刀角大羚羊（Oryx dammah，Cretzschmar，1826）粪便中发现并描述的。孢子化卵囊呈椭圆形，大小为20.9×17.1（16.7 - 24.2×15.5 - 20.2）微米，具光滑的棕黄色双层壁。有微孔和椭圆形极粒，但无微孔帽和卵囊残体。孢子囊呈卵形，大小为10.0×5.7（9.2 - 11.0×5.2 - 6.5）微米，有斯氏体和孢子囊残体。子孢子细长，每个都有大小不同的折光体。
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