fa مطالعه هیستومورفومتری بطن و دهلیز قلبی در ماهی شیربت (barbus grypus) رودخانه ای سیمره تخصصي Special پژوهشي Research <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">مقدمه</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">: </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">قلب در ماهیان اولین اندامی است که شروع به کار می کند، قلب ماهیان چهار قسمتی و  نقش مهمی در پشتیبانی از فعالیت متابولیکی بالا و سازگاری با تغییرات محیطی در مراحل مختلف رشدماهی ایفا می‌کند،  از نظر بافت شناسی دهلیزها و بطن ماهیان دارای عضلات ترابکوله هستند که تراکم عضلات در این دو قسمت متفاوت است</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">مواد و روش کار</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">: </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">در این مطالعه ازتعداد </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">10</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"> ماهی شیربت بالغ در محدوده وزنی 5/30 ±5/443 گرم استفاده شد که پس از انجام مراحل بافت شناسی، ضخامت عضلانی و تعداد هسته ای عضلانی در دو قسمت دهلیز و بطن با هم مقایسه شدند</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">نتایج</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">: </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">نتایج حاصل از این مطالعه نشان داد که تعداد هسته ها در عضلات قلبی بیشتر از بطن هاست و از طرفی ضخامت عضلات بطنی نیز بیشتر بود</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">. </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">همچنین نشان داده شد که عضلات قلبی این نوع ماهی رشته ای و متراکم اند که تراکم عضلانی در دهلیزها کاهش می یابد، گلبول های قرمز در برشش های بافتی هسته دار و بیضی شکل دیده شدند، هسته های عضلانی نیز بسیار کم رنگ و دوکی شکل مشاهده شدند</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">بحث</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">: </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">با توجه به اینکه قلب بافت شناسی و اناتومی قلبی در ماهیان مختلف متفاوت است و از طرفی تفاوت های ساختاری سبب سازگاری ماهیان با محیط های مختلف می شود و همچنین قلب نقش مهمی در پشتیبانی از فعالیت متابولیکی بالا و سازگاری با تغییرات محیطی در مراحل مختلف رشدماهی ایفا می‌کند. بنابراین اطلاعات بافت شناسی در گونه های مختلف بسیار ارزشمند است</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span><span dir="LTR" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span></span></span><br> <br> <span style="font-size:11pt"><span style="direction:rtl"><span style="unicode-bidi:embed"><span style="line-height:107%"><span calibri="" style="font-family:"><span dir="LTR" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span></span></span><br>   <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">Introduction: The heart in fish is the first organ to start working. The heart of fish has four parts and plays an important role in supporting high metabolic activity and adapting to environmental changes at different stages of fish development. Histologically, the atria and ventricles of fish have trabeculated muscles, and the muscle density in these two parts is different</span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">Materials and Methods: In this study, 10 of adult</span></span></span><b><i> </i></b><i><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">barbus grypus </span></span></span></i><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">weighting 443.5</span></span></span>±30.5<span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"> grams . After performing histological procedures, the muscle thickness and the number of muscle nuclei in the two parts of the atrium and ventricle were compared</span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">Results: The results of this study showed that the number of nuclei in cardiac muscles is greater than in the ventricles, and on the other hand, the thickness of the ventricular muscles was also greater. It was also shown that the cardiac muscles of this type of fish are striated and dense, with reduced muscle density in the atria, red blood cells were seen in tissue sections with oval nuclei, and muscle nuclei were also very pale and spindle-shaped</span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:107%"><span style="font-family:"Calibri",sans-serif"><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif">Discussion: Given that the histology and anatomy of the heart are different in different fish, and on the other hand, structural differences cause fish to adapt to different environments, and the heart also plays an important role in supporting high metabolic activity and adapting to environmental changes at different stages of fish development, histological information in different species is very valuable</span></span></span><span dir="RTL" lang="FA" style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"B Nazanin",serif">.</span></span></span><span style="font-size:12.0pt"><span style="line-height:107%"><span style="font-family:"Times New Roman",serif"></span></span></span></span></span></span><br>   هیستومورفومتری, دهلیز, بطن, ماهی شیربت Histomorphometry, Atrium, Ventricle, barbus grypus 61 70 http://jair.gonbad.ac.ir/browse.php?a_code=A-10-1136-1&slc_lang=fa&sid=1 hajar azizian هاجر عزیزیان azizianhajar@gmail.com 10031947532846009452 10031947532846009452 No Ilam university دانشگاه ایلام salman soltani سلمان سلطانی s.soltani@ilam.ac.ir 10031947532846009453 10031947532846009453 No Ilam university دانشگاه ایلام aref nooraei عارف نورایی a.nooraei@ilam.ac.ir 10031947532846009454 10031947532846009454 No Ilam university دانشگاه ایلام marziyeh havasi مرضیه هواسی Havasiii1270@gmail.com 10031947532846009455 10031947532846009455 No Ahvaz university دانشگاه اهواز zahra bakhtiary زهرا بختیاری z.bakhtiary@ilam.ac.ir 10031947532846009456 10031947532846009456 Yes Ilam university دانشگاه ایلام heidar saadalvan حیدر سعدعلوان Aref.noraie2012@gmail.com 10031947532846009457 10031947532846009457 No Ilam university دانشگاه ایلام