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HISTOLOGICAL STUDY OF EARLY EVENTS DURING WOUND HEALING IN RABBITS
دراسه نسجية للأحداث المبكرة لألتئام الجروح في الارانب

Author: Abdalbari A. Alfars عبد الباري عباس الفارس
Journal: Basrah Journal of Veterinary Research. مجلة البصرة للابحاث البيطرية ISSN: Print:18138497 E; 24108456 Year: 2009 Volume: 8 Issue: 1 Pages: 130-137
Publisher: Basrah University جامعة البصرة

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Abstract

An attempt was made to have a better understanding of wound healing in skin of adult rabbits. Stages of healing showed in during microscopic changes in epidermal and dermal regions. The ratio of changes was rapid up during 48 hours. The epithelium invaded actively underlying connective tissue. There was a closely packed mass of cells immediately subjacent to the epithelium, also there was an appearance of collagen fibers laying between the cells. Close contact between dermal and epidermal cells was happened at the time when epithelial invasion and basement membrane was reformed close to the epithelium.

تم القيام بهذه المحاولة لغرض الحصول على فهم أفضل لشفاء الجروح في جلد الأرانب البالغة,وقد أوضحت عملية الشفاء هذه تغيرات مجهريه تم اثباتها في مناطق الادمة وتحت الأدمة , وكانت نسبة التغيرات سريعة لغاية ثمان وأربعون ساعة , وغطت الخلايا الطائية بشكل فعال النسيج الرابط الموجود. وكانت مجموعه من الخلايا مترابطة بشكل دقيق وملاصق بشكل مباشر في منطقة تحت الأدمة مع وجود ألياف غراوية بين الخلايا . ووجد ترابطا دقيقا" بين خلايا الادمة عندما تشكل الغشاء القاعدي والاكتساء ألطلائي .


Article
Histological Changes Resulting from Parasitic Infestation (Scabies)

Authors: Nora D. Al-Musawi --- Nagham Y. Al-Bayati Munther Hussain Al-Kadhemi
Journal: Diyala Journal For Pure Science مجلة ديالى للعلوم الصرفة ISSN: 83732222 25189255 Year: 2018 Volume: 14 Issue: 02 Pages: 250-261
Publisher: Diyala University جامعة ديالى

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Abstract

The present study was conducted to investigate the changes in tissues in patients with scabies. The biopsies from patients with scabies and from patients infected with cutaneous leishmaniasis (positive control) were collected from patients attended the Dermatology Unit at Baquba Teaching Hospital / Advisory Clinic during the period from March to May 2016. The ages of the studied groups ranged between 20-54 years. The results showed that there were histological changes in patients with scabies, including thickness of epidermis and filtration of inflammatory cells of dermis and hyperkeratasis in some chronic cases. In addition, some chronic cases showed edema, degenration and necrosis of some epidermis cells. In contrast, the results of the present study showed that the histological changes associated with leishmaniasis included hyperkeratenosis, epidermis and spongiosis, as well as the formation of reteridges. In addition, there was infiltration of inflammatory cells in dermis as well as the presence of necrosis and degeneration in some infected skin cells.

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