Anatomic dissection revealed six insertions of the distal semimembranosus tendon: direct arm, anterior arm, posterior oblique ligament extension, oblique popliteal ligament extension, distal tibial expansion (popliteus aponeurosis), and meniscal arm. Axial MR images showed five of six insertions: direct arm, anterior arm, oblique popliteal ligament extension, posterior oblique ligament extension, and distal tibial expansion. Sagittal MR images showed four of six insertions: direct arm, anterior arm, oblique popliteal ligament arm, and distal tibial expansion. Sagittal 4EGI-1 molecular weight MR images were ideal for showing the direct arm insertion, but were less optimal than the axial images for showing the
other insertions. The anterior arm was seen but volume averaging was present with the gracilis tendon. Coronal MR images optimally revealed the anterior arm, although magic angle artifact was present at its posterior aspect. The common semimembranosus tendon and meniscal arm were also well depicted. The Torin 2 order division in anterior arm, direct arm, and oblique popliteal ligament arm was poorly seen on coronal images due to volume averaging.
Although the anatomy of the distal semimembranosus tendon is complex, six different semimembranosus insertions can be identified on routine proton density and FFE sequences at 3 T. Analysis of images at defined levels in the three imaging planes simplifies MR interpretation
of the anatomy of the distal semimembranosus tendon.”
“BACKGROUND: NSAIDs have been found Selleckchem RG-7388 to
induce gastrointestinal tract damage. Recently, it has been suggested that this might be mediated by lipid peroxidation.
OBJECTIVE: The aim of this study was to assess the potential protective effects of beta-glucan against acetylsalicylic acid (ASA)-induced gastric damage by means of its antioxidant capacity in an experimental rat model.
METHODS: Thirty-two male Wistar albino rats (200-250 g) were randomized into 4 groups consisting of 8 rats each. The beta-glucan group received 50 mg/kg beta-glucan once a day for 10 days and 30 minutes before anesthesia. The ASA group received saline once a day for 10 days and 300 mg/kg (20 mg/mL) ASA as a single dose, 4 hours before anesthesia. The ASA+beta-glucan group was administered 50 mg/kg beta-glucan once a day for 10 days and 30 minutes before anesthesia. Additionally, 300 mg/kg (20 mg/mL) ASA was administered as a single dose, 4 hours before anesthesia. The control group received saline once a day for 10 days and 30 minutes before anesthesia. All medications were administered by intragastric gavage. The stomach from each rat was dissected and divided into 2 parts for histologic and biochemical analysis. Gastric tissue malondialdehyde (MDA), nitric oxide (NO) levels, catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) activities were determined for oxidative parameter analysis.
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