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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)

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Some brain peptides regulating the secretion of digestive enzymes in the Indian meal moth, Plodia interpunctella (Lepidoptera: Pyralidae)

80%

Sajjadian S. M., Hosseininaveh V., Jahromi K. T.

Journal of Plant Protection Research

2014

tom 54

nr 3

The Indian meal moth, Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae) is a destructive polyphagous pest of many stored products. To interfere with the physiological processes, especially digestion, of the larval pest, more information on the regulatory mechanisms is needed. The brain extract from 1-day-old last instar larvae of P. interpunctella was examined. In the bioassays, the midguts were treated with the brain extract, and the carbohydrase and protease activities were measured. The brain extract showed increasing dose-dependent effects on α-amylase, α-glucosidase, β-glucosidase, α-galactosidase, β-galactosidase, and trypsin secretion in the larval midgut. The extract was further characterised and partially purified using high performance liquid chromatography (HPLC). Several peptides were determined in the brain extract regulating hydrolase activities in the larval midgut of the pest.

Ograniczanie wyników

1 Folia Morphologica

1 Journal of Plant Protection Research

2 Sajjadian S. M.

1 Hosseininaveh V.

1 Jahromi K. T.

1 Nazem M. N.

1 2017

1 2014

Wyniki wyszukiwania

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

Some brain peptides regulating the secretion of digestive enzymes in the Indian meal moth, Plodia interpunctella (Lepidoptera: Pyralidae)