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Morphological Characteristics of the Goat Thyroid Glands among Summer and Winter Seasons
Faculty
Veterinary Medicine
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Sozaan Ahmed Ali esmaiel
Staff Zu Site
Abstract In Staff Site
Journal:
Advances in Animal and Veterinary Sciences open access
Volume:
Keywords :
Morphological Characteristics , , Goat Thyroid Glands among
Abstract:
Thyroid gland plays an important role where they produce thyroid and calcitonin hormones. The current investigation was performed on 20 healthy and freshly slaughtered adult male goats. The samples were collected then immediately fixed and processed for the histological and electron microscopical examination of thyroid gland in summer and winter seasons. Thyroid gland was surrounded by a connective capsule with fibrous septa dividing the parenchyma into lobules. Each lobule comprises of several thyroid follicles, also myoepithelial cells were surrounded these thyroid follicles. Semithin sections in the summer season showed that the parenchyma was formed from numerous numbers of inactive follicles, as opposed to the winter season where it had active thyroid follicles. Ultrastructural studies showed that in the summer season the thyroid follicles were lined with flattened to low cuboidal follicular cells, which had little cellular organelles. However, these follicles were lined with high columnar cells that engorged with the colloid droplets and other cell organelles in the winter season. Parafollicular cells were also found beneath the follicular cellsthat appeared elongated in shape with numerous darkly stained secretory granules.
Author Related Publications
Sozaan Ahmed Ali esmaiel, "بعض الدراسات المجهرية على أعضاء تكوين الدم فى بعض أنواع الأسماك", لايوجد, 1900
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Sozaan Ahmed Ali esmaiel, "Dose- Related Impacts of Imidacloprid Oral Intoxication on Brain and Liver of Rock pigeon (Columba livia domestica), Residues Analysis in Different Organs", Elsevier, 2018
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Sozaan Ahmed Ali esmaiel, "Rectal, Anal Gland: A Corrective Morphological Study in New Zealand Rabbit (Oryctolagus cuniculus)", Journal of Vet. Med. Banha university, 2018
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Sozaan Ahmed Ali esmaiel, "Melamine and/or formaldehyde exposures affect steroidogenesis via alteration of StAR protein and testosterone synthetic enzyme expression in male mice", Elsevier, 2016
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Sozaan Ahmed Ali esmaiel, "Sublethal effect of fipronil exposure on liver and kidney tissues with evaluation of the recovery ability of Japanese quail (Coturnix japonica)", Hokkaido university, 2016
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Department Related Publications
Ahmed Mostafa Mohamed Ahmed Balah , "Biochemical, histochemical and histological studies on estrogenic and bromocriptine treated", لايوجد, 1900
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Abdelaziz Abass Ibrahim Bayomy, "مراحل النمو للخلايا الحاثة المنلية بعد الولادة بالغدة النخامية فى ذكور الجاموس المصرى", لايوجد, 1900
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