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1

Histomorphometric study of the effect of methionine on small intestine parameters in rat: an applied histologic study

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Seyyedin S., Nazem M. N.
Folia Morphologica
|
2017
|
tom 76
|
nr 4
Background: Assessment of morphological changes has more often been used in the diagnosis and assessment of intestinal pathology and development. Since methionine is widely used in nutritional and sports supplements and also there is not enough information about the effect of this amino acid on the gastrointestinal histomorphometry, the aim of this study was to assess the effect of methionine on the small intestine histomorphometry. Materials and methods: Thirty male Wistar rats were randomly divided to three equal groups. Two treatment groups received 100 and 200 mg/kg L-methionine solution respectively via intraperitoneal injection while the control group received normal saline. On day 21, all rats were euthanised and segments from three parts of small intestine were taken to histomorphometrical study. Paraffin sections were stained with haematoxylin and eosin, alcian blue (AB) and periodic acid Schiff (PAS) methods separately. In order to analyse histomorphometric features of each segment, villus height, width, area, crypt depth, villus height to crypt depth ratio, goblet cell number, and muscle layer thickness were measured. Results and Conclusions: Obtained results revealed that methionine may change the histomorphometric parameters of small intestine. (Folia Morphol 2017; 76, 4: 620–629)
2

Anatomical transverse magnetic resonance imaging study of ligaments in palmar surface of metacarpus in Miniature donkey: identification of a new ligament

100%
Nazem M. N., Sajjadian S. M.
Folia Morphologica
|
2017
|
tom 76
|
nr 1
Background: Palmar region of metacarpus in the horses and donkeys is an important region because of its tendons and ligaments which contribute to stay apparatus. This study was done on forelimbs of 6 healthy Miniature donkeys to detect the tendons, ligaments and their accessories on the palmar surface of metacarpus in this animal. Materials and methods: Based on that magnetic resonance imaging (MRI) is a good technique to evaluate the soft tissues such as tendons and ligaments, palmar aspects of metacarpus in 6 euthanatised Miniature donkeys were prepared for anatomical and trans-sectional MRI studies to determine the tendons and ligaments in this region. Results: Suspensory ligament, deep digital flexor tendon and its inferior check ligament were similar to them in the horse. Superficial digital flexor tendon (SDFT) in this animal had superior check ligament that was present before the carpal joint. On the other hand in the Miniature donkey there was a second accessory ligament for the SDFT that originated from the proximal of palmar surface of the large metacarpal bone which we named it second accessory ligament of SDFT. This ligament was determined in the MRI images too. Conclusions: It seems that this ligament helps the Miniature donkey to stay apparatus, supporting more weight and load for a longer period of time and distance which is a specific morphological feature in this animal. (Folia Morphol 2017; 76, 1: 110–116)
3

Radiological anatomy of distal phalanx of front foot in the pure Iranian Arabian horse

80%
Vousugh D., Nazem M. N., Hooshmand A. R.
Folia Morphologica
|
2017
|
tom 76
|
nr 4
Background: Among the different breeds of horses, Asil horses with a five thousand year history have played an important role in human life. This study was designed as a result of the lack of information about the normal radiographic anatomy of this breed. Materials and methods: Radiography of the distal phalanx and associated soft-tissue structures of the front feet of 10 healthy pure Iranian Arabian horses was performed on lateromedial radiographic projection to determine normal radiographic morphometry of this part. There were no problems in their limbs and in their history. Results: Obtained radiograph of each front distal phalanx was used to measure important distances, angles and ratios of the hoof wall. There was no significant difference between left and right digits for any radiographic determination. Conclusions: Measurements of this study differed from those reported in other breeds, so it can be used in the future as reference values for diagnosis of laminitis in front feet of Iranian Arabian horses. (Folia Morphol 2017; 76, 4: 702–708)
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