Naem Soraya
Department of Pathobiology, College of Veterinary Medicine, Urmia University, Urmia, Iran.
Parasitol Res. 2007 Jan;100(2):305-10. doi: 10.1007/s00436-006-0260-6. Epub 2006 Aug 16.
Thelazia skrjabini (Spirurida, Thelaziidae) is a parasite of cattle that causes ocular infections. Scanning electron microscopy was used to study the surface ultrastructure of adult worms of this nematode. At the anterior end of both sexes, the buccal opening was orbicular. Around the mouth, two circles of cephalic papillae were seen: the inner circle with six papillae and the outer circle with four submedian papillae. At both lateral sides of the head, two amphids were observed. A pair of lateral cervical papillae was present. In the female, the vulva was located at the anterior part of the body and the tail carried an anal pore and two phasmids near the tip. In the male, the tail was blunt without caudal alae and curved ventrally. There were 31 to 38 unpaired preanal papillae, two paired postanal papillae, and two phasmids at the posterior end. The cuticle had fine, scarcely visible transversally striations. At the anterior end of the two cases, one abnormal mass was seen.
斯氏吸吮线虫（旋尾目，吸吮科）是一种可导致牛眼部感染的寄生虫。利用扫描电子显微镜研究了这种线虫成虫的表面超微结构。在两性的前端，口孔呈圆形。在口的周围，可以看到两圈头部乳头：内圈有六个乳头，外圈有四个亚中位乳头。在头部两侧，观察到两个头感器。有一对外侧颈乳突。在雌性中，阴门位于身体前部，尾部在末端附近有一个肛门孔和两个尾感器。在雄性中，尾部钝圆，无尾翼，腹侧弯曲。有31至38个不成对的肛前乳头、两个成对的肛后乳头以及后端的两个尾感器。角质层有细微的、几乎看不见的横向条纹。在两例的前端，可见一个异常肿块。
