research centers


Search results: Found 2

Listing 1 - 2 of 2
Sort by

Article
GROSSLY AND MICROSCOPIC STUDY OF THE TRACHEA AND BRONCHIAL TREE IN THE LOCAL SHEEP ( OVIS ARIS).

Author: Saffia Kareem Wally Al- Umeri
Journal: Basrah Journal of Veterinary Research. مجلة البصرة للابحاث البيطرية ISSN: 18138497 Year: 2015 Volume: 14 Issue: 1 Pages: 145-155
Publisher: Basrah University جامعة البصرة

Loading...
Loading...
Abstract

The trachea of the local sheep is a tubular structure that begins at the cricoid cartilage of the larynx and ends when it bifurcates to form the principle bronchi, composed of series of incomplete rings that were incomplete dorsally present between of them longitudinal folds. The study include twelve specimens divided into four groups grossly, histological study, cast and radiography. The anatomical study include the mean total tracheal length from the first ring to the bifurcation about (25.9 cm) , mean number of cartilaginous rings (48.6), mean number of folds (45), measured the length of trachea from the cricoids cartilage to the trachealis bronchus which enter to the cranial lobe of lung which branches from the trachea in last third before divided into two bronchi right and left each of one enter the lung for respiration also measure diameters of each tracheal ring which deference according the position of rings, which decrease of diameters when direction caudally to the root of lung the rings have different shape in the three parts of the trachea cervical, middle and thoracic the histological study showed the trachea lining pseudo stratified ciliated columnar epithelium with goblet cells, the wall of trachea consist of mucosa, submuosa, hyaline cartilage and adventitia and have large amount of tracheal gland,the trachealis muscle composed of elastic fibers interupted with smooth fibers.The cast of trachea showed the bronchial tree and radiography explain the trachea , bronchi and bronchioles.

Keywords

Trachea --- Radiography --- Rings.


Article
Comparative histological and histochemical study of flank region skin, in camel, cow and buffalo
دراسة نسجية وكيمياء نسجية مقارنة لجلد منطقة الخاصرة في الجمال والابقار والجاموس

Loading...
Loading...
Abstract

The skin represents protective cover for the body and making up 16 % of the body weight. The current study included 15 specimens of skin flank region of three animals (cow, buffalo, and camel) fixed in 10 % formalin and then processed through a serial steps for histological examinations, and stained with, Hematoxylin and Eosin, Van Gesion, and Periodic Acid Shiffe stains, for description of the histochemical and histological structures of the skin. Results showed the epidermis was composed of four layers. The maximum thickness of epidermis observed in buffalo's skin was (6.16±0.27 µ) and thinnest in camel's skin was (2.24 ±0.08µ).The results revealed that the dermis consist of two layers; papillary and reticular layers which contain primary and secondary hair follicles, and there was great variation in diameter, sebaceous and sweat glands. The thickness of dermis was (84 ± 1.26 µ, 61.6 ±3.7 µ, and 53.6 ± 2.03 µ) in camel, buffalo and cow respectively. The thickness of papillary layer in buffalo's skin appeared with high thickness in compare with skin of cow and camel, while the flank skin of camel have maximum thickness of reticular layer, corneal, dermis, and total skin (68.8±4.63µ, 1.06±0.13µ, 84±1.26µ,93.6±2.03µ) respectively. The sebaceous glands were simple branched and alveolar, present in large size and multi-lobular in skin of buffalo while in camel's skin appeared uni-lobular and small. All sweat glands in the flank region were of apocrine type; also differences were noticed in size and shape of these glands in studied animals. In buffalo it appeared small, single and few, but in camel was aggregation in large number spread in the dermis. In conclusion there are no differences in general structures of skin but thickness of layers varied among all the animals.

يعتبر الجلد هو الغطاء الواقي للجسم ويشكل حوالي 16% من وزن الجسم. تضمنت الدراسة الحالية 15 عينه لجلد منطقة الخاصرة من ثلاث حيوانات هي الأبقار والجاموس والجمال ، تم تثبيت العينات في 10% فورمالين وبعد ذلك تم اجراء الخطوات اللازمة لتحضير الشرائح النسجيه وصبغت بصبغات الهيماتوكسلين ايوسين , فان كيزن و كاشف شف الدوري لغرض الوصف الكيميائي النسيجي و التركيب النسيجي لها. أوضحت النتائج أن ا لبشرة تتكون من اربعة طبقات كما أظهرت الدراسة أن أعلى سمك للأدمة لوحظ في جلد الجاموس وكان 0.27± 6.16 مايكروميتر واقل سمك كان في جلد الجمل بلغ 0.08±2.24 مايكروميتر, ولوحظت الأدمة في هذه الدراسة تتكون من طبقتين هي الطبقة الحليمة والطبقة الشبكية وتحتوي ايضا على جريبات الشعر الابتدائية والثانوية التي ظهر اختلاف كبير في اقطارها. ان سمك الطبقة الحليمية لجلد الجاموس كان اعلى مقارنة بجلد الابقار والجمال بينما الجاموس يمتلك اعلى سمك للطبقات الشبكية ، والمتقرنة ، والادمة ، وسمك الجلد الكلي كان (4.63±68.8 ، 0.13±1.06، 1.26±84 ،2.03±93.6 مايكروميتر) على التوالي. وظهرت الغدد الزهمية بشكل غدد كيسية متفرعة بسيطة مصاحبة لجريبات الشعر ولوحظت في الجاموس بأعداد كبيره ومتعددة الفصوص بينما ظهرت في جلد الجمل أحادية الفص صغيرة وتحيط بجريبات الشعر، اما الغدد العرقية فظهرت في جلد الجاموس مفردة وصغيرة ، بينما لوحظت بشكل مجاميع وبأعداد كبيرة في جلد الجمل ، نستنتج من ذلك ليس هناك اختلاف في التركيب العام للجلد ولكن هناك اختلاف في سمك الطبقات.

Listing 1 - 2 of 2
Sort by
Narrow your search

Resource type

article (2)


Language

English (2)


Year
From To Submit

2016 (1)

2015 (1)