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Article
Relationship of maximum bite force with craniofacial morphology, body mass and height in an Iraqi adults with different types of malocclusion

Authors: Ghufran D. Awad غفران عواد --- Ausama A. Al – Mulla اسامة احمد الملا
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2013 Volume: 25 Issue: 1 Pages: 129-138
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: Information concerning the maximum bite force in human population is important to clinicalorthodontics. Additionally, the influence of bite force on the vertical stability of any treatment result is important. Thenew position of the dentition should be compatible with the dynamics of the muscular and occlusal forces in allplanes. This study was conducted to 1) to measure and compare maximum bite force, body height and weightamong normal occlusion and malocclusion groups (cl I,cl II,cl III) in both gender 2) to evaluate the correlationbetween bite force and craniofacial morphology, body height and weight.Materials and Methods: The sample consists of 100 Iraqi adult subjects aged 18-25 years. It was classified in to fourgroups: cl I normal occlusion, cl I malocclusion, cl II malocclusion, and cl III malocclusion according to(skeletal) thevalue of ANB angle and (dental)the Angle classification. Each group consist of 25 (13 male, 12 female), Maximumbite force was measured by a digital device (GM10, Naganokeiki, Japan) by putting the sensor part of occlusalforce meter on first molar region, body height and weight were measured by using the Length and WeightMeasuring Standard (Tanita, 2008) and craniofacial measurements were achieved by analysis of lateralcephalometric radiographResults: The highest mean value of maximum bite force was found in normal occlusion followed by class IImalocclusion and then class I malocclusion and the lowest value was found in class III malocclusion, class I skeletalrelationship (cl I normal occlusion & cl I malocclusion group) had larger values of body weight when compared withskeletal class II& class III .Regarding the gender, mean values of maximum bite force and body height are higher inmale than female in normal occlusion and malocclusion groups, There is a positive correlation between maximumbite force and body height and weight in normal occlusion and class I malocclusion ,there is a positive correlationbetween maximum bite force and palatal plane, Ramus plane, mandibular plane, posterior facial height, cranialbase, dentoalveolar height, while there is a negative correlation with anterior facial height, Gonial angle, SN-Mp¢ª,PPMP&SN-PP¢ª angles.Conclusion: The normal occlusion group had larger values of bite force than malocclusion group,the maximum biteforce, body height is gender related, larger body build up was usually associated with larger bite force in class Iskeletal relationship, Individuals with characteristics of larger maxilla ,larger mandible, larger cranial base ,shortanterior facial height long posterior facial height, flat mandibular plane had the largest value of bite force.


Article
The prediction of nasolabial dimensions: A stereophotogrammetric study
توقع أبعاد الأنف والشفاه: دراسة ثلاثية الأبعاد

Authors: Zainul A. Rajion زينل --- Ali R. Al-Khatib علي راجح الخطيب
Journal: Annals of the College of Medicine Mosul مجلة طب الموصل ISSN: 00271446 23096217 Year: 2013 Volume: 39 Issue: 1 Pages: 45-52
Publisher: Mosul University جامعة الموصل

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Abstract

ABSTRACTObjective: To find the most accurate measurements for the nasolabial dimensions prediction utilizing the three dimensional technology. Design: Cross-sectional study. Setting: School of Dental Sciences, Universiti Sains Malaysia, Kelantan, Malaysia.Participants: This study was conducted on 101 volunteers (16-30 years). The participants had harmonious balanced face, competent lips and no craniofacial abnormalities. Data were captured using stereophotogra- mmetry system which consists of Sony digital cameras, synchronize switch and a calibration control frame. Main outcome measures: Eighteen facial, seven nasal and 11 labial dimensions were measured and analyzed. The stepwise multiple regression analysis was applied and the level of significance was established at p<0.05. Results: The measurements of the combination of nasolabial dimensions were developed. The prediction rates were 90% and 96% and for the upper lip height, nose height respectively. However, the low prediction rate was recorded for the lower vermilion and lateral lip heights 17% each. Conclusions: New measurements for nasolabial dimensions prediction with application of three dimensional imaging technology were offered. This study could provide reliable and objective reference material for plastic surgeons for the planning of the cosmetic nasal surgery. Moreover, these information could be beneficial in the post-surgical prosthesis construction. Keywords: Soft tissues, morphology, stereophotogrammetry.

الخلاصةالأهداف: هدفت الدراسة إلى تطوير متغيرات جديدة لدراسة أبعاد الأنف والشفتين بإستخدام تقنية الصورة ثلاثية الأبعاد.تصميم الدر اسه: دراسة مقطعية.مكان الدراسة: كلية طب الأسنان في جامعة العلوم الماليزية. المشاركون: شارك في هذه الدراسة ١٠١ متطوع تتراوح أعمارهم بين ١٦-٣٠ سنة. وقد إتصف المشاركون بوجه خالي من التشوهات الخلقية في منطقتي الجمجمة والفكين. تم التقاط المعلومات بإستخدام جهاز التصوير الثلاثي الأبعاد. المتغيرات: تم قياس ٣٦ متغير في مناطق مختلفة من الوجه وخاصة المناطق الأنفية ومناطق الشفتين تم إستخدام الإنحدار المتعدد لتحليل النتائج علما بأن القيمة الاحتمالية المعنوية كانت Ρ < ٠٫٠٥.النتائج: تراوح المعدل للقياسات بين ٩٠٪ و٩٦٪ بالتعاقب للطول الأنفي وإرتفاع الشفة العليا. أما بالنسبة لحافة الشفة السفلي و لإرتفاع الشفة الجانبي فقد بلغ ١٧٪.الاستنتاجات: تم الحصول على متغيرات جديدة للتنبوء بأبعاد الأنف والشفتين بإستخدام تقنية الأبعاد الثلاثية. هذه المتغيرات يمكن أن تستخدم لغرض الإعداد لعمليات الجراحة التجميلية في مناطق الأنف والشفتين بالاضافة إلى إعداد التراكيب التعويضية لتلك المناطق في الوجه.


Article
CROSS AND RADIOLOGICAL STUDIES OF THE SALIVARY GLAND IN CATTLE
دراسة عيانية وشعاعية للغدد اللعابية في الابقار

Author: S . AL Sadi سمية الساعدي
Journal: Basrah Journal of Veterinary Research. مجلة البصرة للابحاث البيطرية ISSN: Print:18138497 E; 24108456 Year: 2013 Volume: 12 Issue: 1 Pages: 65-75
Publisher: Basrah University جامعة البصرة

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Abstract

The present work includes morphological and radiological studies of the salivary gland , saliva is the mixed secretion of these gland the secretion of saliva in ruminants is continuous ,it has been moistest oral mucosa, provide medium for dissolved food and control bacterial flora of the oral cavity , the aim of present work to report more detailed information about the salivary gland and duct in cattle which may be help in both anatomy and surgery aspect, for value impartment can easily removal all salivary gland tissue during surgical operation, the large salivary ducts occasionally cannulated to remove obstructions or to inject a contrast medium for radiographic examination and to be able to palpate the parotid and mandibular salivary gland and different the mandibular salivary gland from lymph nodes ,to be able to trace the ducts of the salivary glands and palpate the parotid duct in the cheek of cattle , to be extirpate the mandibular and monostomac sublingual salivary glands . Collected from (6) fresh preserved heads were used in this study, there were equally divided into two groups : first group to study of shape ,position and relation of major salivary gland also study the morphology of the minor salivary gland and second group study morphological and radio graphical of parotid , mandibular and sublingual duct in cattle.The study revealed that the three major paired salivary glands(parotid ,mandibular and sublingual gland ) in addition four minor salivary glands ( buccal ,lingual ,palatine and labial gland ) into the oral cavity and oropharynx in cattle the mandibular gland ,unlike that of other domestic animals , the mandibular salivary gland is larger than the parotid ,distinctly lobulated and lies in the curve along the medial side of the angle of the mandible and which divides into superficial and deep loop, is easily palpate in the inter mandibular space, the duct open in the sublingual caruncle , the parotid gland has been described having (5) processes ( three superficial and two deep ) ,sublingual gland this is smallest of the major salivary gland , sometimes consists of two parts (compact and diffuse ) it is the almond shaped gland lies deep to the floor of mouth ,un like the parotid and mandibular gland the sublingual gland has no true facial capsule also it has a single duct.Un like the major salivary gland, the minor salivary gland lack a branching network of draining ducts , buccal glands are well developed and arranged in three groups (dorsal, middle and ventral )in cattle , the lingual gland are small lobules under the mucosa and embedded in the musculature, the caudal third of the hard palate is not ridged and bears numerous orifice of the palatine gland ,the labial glands a compact mass near the angle of the mouth , the most commonly occurred radiological findings using surface landmarks parotid duct lies mid way between the facial tubercle and corner of the mouth ,the ducts of the mandibular and compact (monostomatic) sublingual glands open on the floor of the mouth at the sublingual caruncle, they run below the mucous membrane that connects the side of the tongue with the gums.


Article
الكرونولوجيا في التشكيل النحتي للحداثة وما بعد الحداثة

Authors: ريام صالح عباس --- Abdulhameed Fadhil Jafar
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2018 Volume: 26 Issue: 6 Pages: 1-22
Publisher: Babylon University جامعة بابل

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Abstract

The chronology has formed an intellectual concept throughout the historical ages. It is necessary to delve into the concept of this concept in the artistic form. The first beginnings of these historical epochs, whose arts have undergone different changes as a result of the political, social, economic and cultural developments that took place in different directions through their chronological sequence, By intellectual standards.Therefore, research is concerned with the study of the concept of chronology in the grammatical composition of modernity and postmodernity. The research included four chapters. The first chapter contains the methodological framework for research, beginning with the problem that ended with the following question: What is a chronology? What are the aspects of their work in the composition of the grammar? The importance of research lies in the fact that it highlights the themes of chronology as a conceptual construct in the morphology of modernity And postmodernity, which is a new reading of the texts of sculpture dating back to this era of history, and then the goal of research, which is to identify the chronology at the level of thought and form in the composition of the grammar of the modern and postmodernity, also included this chapter on the boundaries of research,The stereotype) in modernity and postmodernity, and domestically in Europe and America, and a period of modernity and post-modernism, and then the terms in the title were defined linguistically, in terms of terminology and procedure. While the second chapter included the theoretical framework and the previous studies of the research. It included two basic topics about the first subject: chronology in the modern artistic achievement. The second section came under the title of chronology in the technical composition of the postmodernity. The researcher reviewed the works of art, The period of time of this era, and then followed by the indicators produced by the theoretical framework. The third chapter was based on the procedural framework that included the research community. It included the composition of modern and postmodernism, which consists of the specific models studied in relation to the exploration of the concept of chronology in the morphology of modernity and postmodernity. Of the research community (25) as sculptural texts that refer us to the reading of the concepts of chronology in accordance with the objective of the research and its problem, as it was chosen in a fundamental way according to the reasons of the researcher to achieve the goal of research. The models were selected based on the diversity of the method of implementation and the variety of materials and methods used in the presentation of the chronology in the morphology of the prominent and stereotyped. The researcher also relied on the cognitive and aesthetic indicators resulting from the theoretical framework as a research tool and then analyzing the sample to obtain specific data. On the (descriptive analytical) approach as the approach used in technical and aesthetic studies. The fourth chapter was a presentation of the most important results reached by the researcher after analyzing the sculptural models that represented the research sample. The most important of these were: The concept of chronology is embodied in the subconscious mind, in the narration of events and facts in an attempt to link awareness and unconsciousness. The most important of these conclusions are: The concept of chronology is achieved in the composition of the grammar through the movement in the human bodies employed by the modernist artist, followed by the recommendations and suggestions presented in the present study. Finally, the sources and references that contributed to the theoretical foundation of the research were established.

شكلت الكرونولوجيا مفهوماً فكرياً على مر العصور التاريخية, اذ يتطلب الخوض في التقصي عن هذا المفهوم في التشكيل الفني معرفة البدايات الأولى لهذه الحقب التأريخية, التي شهدت فنونها على تغيرات متباينة نتيجة التطورات السياسية والاجتماعية والاقتصادية والثقافية التي طرأت على مختلف الاتجاهات عبر تسلسلها الزمني، وأصبحت ملهمه بالمعايير الفكرية. لذلك عني البحث بدراسة مفهوم الكرونولوجيا في التشكيل النحتي للحداثة ومابعد الحداثة، وقد تضمن البحث أربعة فصول، احتوى الفصل الأول الإطار المنهجي للبحث بدءا بالمشكلة التي انتهت بالاستفهام الآتي: ما لكرونولوجيا ؟ وما اوجه اشتغالاتها في التشكيل النحتي؟ تُكمن أهمية البحث في كونه يسلط الضوء على موضوعات كرونولوجيا كبنى مفاهيمية في التشكيل النحتي للحدثة وما بعد الحداثة, مما يشكل قراءة جديدة للنصوص النحتية التي تعود لهذه الحقبة التأريخية، ومن ثم هدف البحث الذي يتلخص في التعرف على كرونولوجيا على مستوى الفكر والشكل في التشكيل النحتي للحدثة وما بعد الحداثة، كذلك اشتمل هذا الفصل على حدود البحث التي تحددت موضوعياً بالمنتج النحتي (البارز، المجسم) في الحدثة وما بعد الحداثة, ومكانياً بأوربا وأمريكا، وزمانياً من الحدثة وما بعد الحداثة، ثم تم تحديد المصطلحات الواردة في العنوان لغوياً واصطلاحاً وإجرائياً.في حين تضمن الفصل الثاني الإطار النظري والدراسات السابقة للبحث، إذ اشتمل على مبحثين أساسين عني المبحث الأول: الكرونولوجيا في المنجز الفني الحديث، وجاء المبحث الثاني تحت عنوان الكرونولوجيا في التشكيل الفني لما بعد الحداثة, وقد استعرضت فيه الباحثة الأعمال الفنية التي تضمنت الاعمال النحتية بحسب المدة الزمنية لهذا العصر, ثم تلا ذلك المؤشرات التي أسفر عنها الإطار النظري. أما الفصل الثالث فقد بُني على الإطار الإجرائي الذي ضم مجتمع البحث، حيث شمل التشكيل لنحتي للحداثة وما بعدها (البارز والمجسم)، والتي تتألف من النماذج المحددة دراستها فيما يتعلق بالتقصي عن مفهوم الكرونولوجيا في التشكيل النحتي للحدثة وما بعد الحداثة، وقد تم اختيار(4) أنموذج من مجتمع البحث البالغ (25) بوصفها نصوصاً نحتية تحيلنا إلى قراءة مفاهيم الكرونولوجيا وذلك تماشياً مع هدف البحث ومشكلته, إذ اختيرت بطريقة قصديه وفقاً لأسباب سوغتها الباحثة لتحقيق هدف البحث ومنها تم اختيار النماذج, اعتمادا على التنوع بطريقة التنفيذ وتنوع الخامات والأساليب المعتمدة في أظهار الكرونولوجيا في التشكيل النحتي البارز والمجسم, واعتمدت الباحثة على المؤشرات المعرفية والجمالية التي أسفر عنها الإطار النظري كأداة للبحث، ومن ثم تحليل العينة للحصول على معطيات محددة، حيث عولت الباحثة على المنهج (الوصفي التحليلي) بوصفه المنهج المتبع في الدراسات الفنية والجمالية. أما الفصل الرابع فقد كان عرضاً لأهم النتائج التي توصلت إليها الباحثة بعد تحليل النماذج النحتية التي مثلت عينة البحث، وكان أهمها: يتجسد مفهوم الكرونولوجيا في اللاوعي بموازة الوعي في سرده للأحداث والوقائع في محاولة لربط بين الوعي واللاوعي, وفي ضوء تلك النتائج توصلت الباحثة إلى جملة من الاستنتاجات ومن أهمها : تحقق مفهوم الكرونولوجيا في التشكيل النحتي من خلال الحركة في الهيئات البشرية التي وظفها فنان الحداثوي، يلي ذلك التوصيات والمقترحات التي آلت إليها الدراسة الحالية, وفي الختام وضعت المصادر والمراجع التي أسهمت في التأسيس النظري للبحث.


Article
The relation among ramal width and length with some cervical and cranio-facial measurements in different skeletal classes

Author: Esraa S. Jassim
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2014 Volume: 26 Issue: 4 Pages: 167-174
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: The purpose of this study was to assess the relation among the ramal length and width with variouscervical and cranio-facial measurements for a sample of Iraqi adults with different skeletal classes.Materials and method: The sample composed of 71 Iraqi adults (36 females and 35 males) with an age rangedbetween 17-30 years and had different skeletal mal-relations using SNA, SNB and ANB to differentiate between themand assorting them into CL.I, CL.II and CL.III mal-relation. Each individual was subjected to clinical examination anddigital true lateral cephalometric radiograph that had been analyzed using AutoCAD 2007 software computerprogram to determine sixteen linear and ten angular measurements. Descriptive statistics were obtained andindependent samples t-test was performed to evaluate the gender differences in different classes. ANOVA test asused to compare the measurements among the skeletal classes in each gender, while Pearson’s correlationcoefficient test was used to determine the relations among ramal length and width with other measurements in allclasses.Results and Conclusions: All of the linear measurements were significantly higher in males than females. On the otherhand, the angular measurements showed non-significant gender difference except for SN-PP angle in class II group.ANOVA test showed statistically significant difference in upper gonial angle, Y-axis angle and the mandibular length.Ramal length and width correlated significantly with PFH, SN-MP angle and Co-Gn.


Article
STUDY OF THE EFFECT OF NH4F CONCENTRATION ON THE STRUCTURE OF ELECTROCHEMICALLY PREPARED TiO2 NANOTUBES
دراسة تاثير تركيز NH4F على تركيب الانابيب النانوية لـ (TiO2) المحضرة الكتروكيميائياً

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In this study Titania nanotube arrays were prepared at room temperature (~25 ºC) via electrochemical anodization process of pure titanium foil in glycerol base electrolyte, different concentrations of ammonium fluoride salt (0.5 and 1.5wt.%) were added to the electrolyte as a tube enhancing agent. When anodizing Ti in 0.5 wt. % NH4F, nanotubes are formed with 54 ± 10 nm tube diameter, 20 ± 3 nm wall thickness and 1.76 µm tube length. When anodizing Ti in 1.5 wt. % NH4F, nanotubes are formed with 69 ± 10 nm tube diameter, 29 ± 3 nm wall thickness and 2.71 µm tube length. The morphology and structure of the Titania films were studied by scanning electron microscopy (SEM), X-ray diffraction (XRD), and atomic force microscopy (AFM). PACS numbers: 81.65.Mg, 82.45. +z, 81.10.-h.

في هذه الدراسة صفوف التيتانيا نانوتيوب حضرت في درجة حرارة الغرفة ~25 ºC بطريقة الانودة الكهروكيمائية لصفائح التيتانيوم النقي في محلول كهربائي اساسه جليسيرول (glycerol)، تراكيز مختلفة من ملح فلوريد الامونيوم 0.5 and 1.5wt.% اضيفت الى المحلول كعامل محسن للانبوب. عندما يؤكسد التيتانيوم في 0.5 wt%.NH4F ، كان قطر الانابيب النانوية المشكلة 10nm± 54 ، سمك الجدار nm 3± 20 و µm 1.76 طول الانبوب. عندما يؤكسد التيتانيوم في 1.5 wt%.NH4F ، كان قطر الانابيب النانوية المشكلة 10nm± 69 ، سمك الجدار nm 3± 29 و µm 2.71 طول الانبوب. تمت دراسة مورفلوجية وتركيب افلام التيتانيا بواسطة المجهر الالكتروني الماسح، مجهر القوة الذرية و حيود الاشعة السينية.


Article
Morphological and morph metric study of the mandible in the local Rabbits (Oryctolagus Cunicuius)
دراسة شكلية وقياسية لعظم الفك في الأرانب المحلية

Author: Qismah Modhafar Salih قسمة مظفر صالح
Journal: The Iraqi Journal of Veterinary Medicine المجلة الطبية البيطرية العراقية ISSN: 16095693 Year: 2016 Volume: 40 Issue: 1 Pages: 25-29
Publisher: Baghdad University جامعة بغداد

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Abstract

Eleven adult local rabbits (6 female and 5male) were used for this study. The mandible were prepared to study the gross anatomical features. The main gross characteristics feature of the local rabbits mandible the ramus forms a broad, thin and flat plate, the surface of the ramus is greatly increased in its posteroventral portion to form the angle or angular process. The articular surface is elongated and carry on its caudodorsal end a slightly oblique condyloid process, this process in rabbit is raised much above the planes of the molar table and has a prolonged aspect in a longitudinal plan. In front of the shallow mandibular notch, the coronoid process is short and blunt process situated in front of mandibular notch. In the rabbit mandible the alveoli for the canine teeth were absent resulting in a large diastema Mandibular foramen situated on the medial surface immediately behind the last molar. There is a large retroalveolr foramen. The female local rabbit showed significant greater measurement than the male.

استعمل في هذه الدراسة أحد عشر أرنب محلي ح ض ر الفك للدراسة التشريحية العيانية والقياسات الخطية. أظهرت نتائج الدراسة العيانية بتميز عظم الفك في الأرنب وذلك بوجود النتوء الزاوي وكذلك وجود الثقب خلف السنخي. كما أ ن فرعي الفك السفلي يشكلان صفيحة مسطحة رقيقة وعريضة ولوحظ زيادة توسع في سطح الفك باتجاه خلفي بطني ليشكل مايعرف بالنتوء الزاوي للفك. السطح التمفصلي ممطوط ويحمل على نهايته الخلفية الظهرية النتوء اللقمي الذي يكون مائل قليلا وهذا النتوء يرتفع بصورة واضحة فوق مستوى الطواحن وله حافة طويلة في المستوى الطولاني .أمام الثلمة الفكية الضحلة يوجد النتوء التاجي الذي يكون قصير وغير مدبب .لوحظ أ يضا عدم وجود اسناخ الأنياب في الفك السفلي للأرنب مما أدى الى تكوين فلج كبير .اظهرت نتائج القياسات الخطية وجود فروق معنوية بين الذكور والإناث حيث تفوقت الاناث في بعض القياسات على ذكور الأرانب المحلية.


Article
Morphological changes of the placentae from anaemic pregnant women associated with intrauterine growth restriction

Author: Mareb H. Ahmed, Dr. Abduljaber Y. Alhubaity
Journal: The Medical Journal of Tikrit مجلة تكريت الطبية ISSN: 16831813 Year: 2016 Volume: 2 Issue: 2
Publisher: Tikrit University جامعة تكريت

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Abstract


Article
Morphological and histological study of the liver in migratory starling bird (Sturnus vulgaris)

Authors: Saddama Saed Faraj --- Genan Adnan Al-Bairuty
Journal: Al-Mustansiriyah Journal of Science مجلة علوم المستنصرية ISSN: 1814635X Year: 2016 Volume: 27 Issue: 5 Pages: 11-16
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

The present work was aimed to form the baseline data of normal morphological and histological structure features of liver in migratory starling (Sturnus vulgaris). Anatomically, the starling liver bird was dark red -brown in colour and located in the cranial third of the abdominal cavity and consisted of undivided lobes (left and right). The liver right lobe was larger than the left. Histological examination revealed that the liver parenchyma was covered by a connective tissue capsule which appears to be thicker in the rim of liver lobes than other area in the liver lobe. Liver parenchyma was arranged in an unlimited hepatic lobules, which composed of polygonal hepatocytes organized as irregular, radial interconnecting cords or laminae of one or two cells thickness around a central vein and separated by blood sinusoids. In the boundary of each lobule showed a portal area which consists of a branch of hepatic artery; one or more branches of hepatic vein and one to four branches of the bile duct which lining by cuboidal cells that characterized by their empty non-staining cytoplasm. The histochemical observation by using PAS staining in the current study revealed that the glycogen granules arranged close to the central vein and in the rim of liver lobules


Article
MORPHOLOGICAL DESCRIPTION AND HISTOLOGICAL STRUCTURE OF THE LIVER IN ADULT GUPPY FISH Poecilia reticulata
الوصف الشكليائي والتركيب النسجي للكبد في سمكة الكوبي البالغة Poecilia reticulate

Author: Jenan M. Al-Kawaz
Journal: journal of kerbala university مجلة جامعة كربلاء ISSN: 18130410 Year: 2019 Volume: 17 Issue: 2 Pages: 43-51
Publisher: Kerbala University جامعة كربلاء

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Abstract

The liver of adult guppy fish was represented by one irreqular lobe located on the left side of digestive tube curved a little to the right at the posterior part. The liver lacked the trabeculae which divide it's matrix into lobules and the matrix of liver was formed from plates or cords of hepatic cells arranged around the central veins sections and were separated from each other by sinusoids. The hepatic cells were polygonal in shape, large in size, light - staining, acidophilic cytoplasm and were containing spherical nucleus situated centerly and containing nucleoli. The sections of the branches of hepatic portal vein, hepatic artery and bile duct were scattered in the matrix of liver.

تـمثل كـبد سـمكة الكوبي البـالغة بفـص مفـرد غيـر منتـظم الشـكل، يقـع الـى الجـانب الأيسـر من الأنبوب الهضـمي إلا انـه ينثـني قـليلا بإتـجاه الجـانب الأيـمن عنـد نهـايته الأمـامية. افتـقد الكـبد إلى وجـود الحـويجزات التـي تقسـم متـنه الى فصـيصات، وتـكون مـتن الكـبد من صـفائح أو حـبال من الخـلايا الـكـبدية المتـرتبة بصـورة شـعاعيـة حـول مـقاطع الأوردة المـركزية والمفـصولة عن بـعضها بالجـيبانـيات الـدمـوية. وكـانت الخـلايا الكـبدية مـضلعة الشـكل كـبيرة الحجـم فاتـحة الصـبغ ذات سـايتوبلازم متـجانس باهـت متـقبل للأصـباغ الحـامضية وحـاوية على نـوى كـروية مـركزية الموقع متـوسطة الحجم ذات مـادة كـرومـاتـينـية قـليلة حـاوية على نـوية واضـحة داكنـة الصـبغ تحـتل مركز النـواة. ظـهرت فروع كل من الوريد البابـي الكـبدي والشـريان الكـبدي وقناة الصـفراء منتشـرة بصـورة منـفصلة ضـمن مـتن الكـبد

Keywords

guppy fish --- liver --- morphology --- histology

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