مطالعه مورفولوژیک لوله گوارشی و غدد ضمیمه در میش ماهی معمولی (Argyrosomus hololepidotus)

نوع مقاله : مقاله کامل

نویسندگان

1 بخش بافت شناسی، گروه علوم پایه، دانشکده دامپزشکی، دانشگاه تهران، تهران-ایران

2 بخش آناتومی،گروه علوم پایه،دانشکده دامپزشکی،دانشگاه تهران،تهران-ایران

3 بخش آناتومی، گروه علوم پایه، دانشکده دامپزشکی، دانشگاه تهران، تهران-ایران

چکیده

میش‌ماهی معمولی از خانواده شوریده ماهیان است و یکی از ماهیان با ارزش این خانواده از نظر تجاری و تغذیه ای محسوب می‌شود. مطالعات بسیار کمی در مورد زیست‌شناسی، موفولوژی و بافت شناسی اندام‌های بدن این ماهی صورت گرفته است. این مطالعه با هدف بررسی مورفولوژی لوله گوارشی و غدد ضمیمه دستگاه گوارش در میش‌ماهی معمولی انجام شد. بدین منظور تعداد 6 قطعه میش ماهی از سواحل خلیج فارس در ماهشهر تهیه و بلافاصله پس از صید باز و مورد مطالعه موروفولوژیک و توپوگرافیک قرار گرفتند. لوله گوارشی از مری با طول بسیار کوتاه، معده کیسه‌ای شکل، سکوم‌های پیلوری برگی شکل، روده سیگموئیدی شکل، رکتوم و نهایتا مقعد تشکیل شده‌اند. کبد دارای سه لوب مشخص راست، میانی و چپ طویل می باشد که یک کیسه صفرا نیز بصورت کشیده و در مجاورت لوب راست کبد مشاهده می‌گردد. براساس نتایج به دست آمده از تحقیق حاضر با توجه به نوع تغذیه میش‌ماهی، لوله گوارشی از طول کوتاهی برخوردار بوده و بعلاوه بیشتر بودن حجم معده نسبت به سایر قسمت‌ها نیز قابل توجه می‌باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Morphology Study of Digestive Tube and Accessory gland in Argyrosomus hololepidotus

نویسندگان [English]

  • A. Arefi 1
  • M.T. Sheibani 1
  • H. Morovvati 1
  • Z. Tootian 2
  • O. Zehtabvar 3
1 PhD student, Histology sector, Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran-Iran.
2 Professor, Anatomy sector, Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran-Iran.
3 Assistant professor, Anatomy sector, Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran-Iran.
چکیده [English]

Argyrosomus hololepidotus belonging to the family Sciendae is one of the most valuable fish species from both commercial and nutritional aspects. Nonetheless, scarce data are available on its biology, macroscopic morphology and microscopic features. The objective of this study was investigating morphology of digestive tube and accessory glands in Argyrosomus hololepidotus. For this a total of six fish from the Persian Gulf shores in Mahshahr were provided and immediately their abdomens were opened and subjected to morphological and topographical study.Digestive tube consists of a short esophagus, a saccular stomach, leaf like pyloric caeca, sigmoid intestine, rectum and finally anus. The liver possesses three distinct lobes including right lobe, a short middle lobe and along left lobe. A gall bladder is also observed in vicinity of the right lobe. On the basis of the results of the present study, regarding to the feeding route in  Argyrosomus hololepidotus, digestive tube has a short length and besides greater bulk of the stomach compared to the other parts is significant. 

کلیدواژه‌ها [English]

  • Argyrosomus hololepidotus
  • Digestive Tube
  • Morphology
  • Accessory gland
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