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RISS 인기검색어
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- 저자 : Ria Margiana (검색결과 3 건)
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Ria Margiana,Widya Juwita,Khoirul Ima,Zakiyatul Faizah,Supardi Supardi 대한해부학회 2023 Anatomy & Cell Biology Vol.56 No.4
Bladder exstrophy is a rare congenital condition of the pelvis, bladder, and lower abdomen that opens the bladder against the abdominal wall, produces aberrant growth, short penis, upward curvature during erection, wide penis, and undescended testes. Exstrophy affects 1/30,000 newborns. The bladder opens against the abdominal wall in bladder exstrophy, a rare genitourinary condition. This study is vital to provide appropriate therapy choices as a basis to improve patient outcomes. This study may explain bladder exstrophy and provide treatment. Epispadias, secretory placenta, cloacal exstrophy, and other embryonic abnormalities comprise the exstrophy-spades complex. The mesenchymal layer does not migrate from the ectoderm and endoderm layers in the first trimester, affecting the cloacal membrane. Embryological problems define the exstrophy-aspidistra complex, which resembles epimedium, classic bladder, cloacal exstrophy, and other diseases. Urogenital ventral body wall anomalies expose the bladder mucosa, causing bladder exstrophy. Genetic mutations in the Hedgehog cascade pathway, Wnt signal, FGF, BMP4, Alx4, Gli3, and ISL1 cause ventral body wall closure and urinary bladder failure. External factors such as high maternal age, smoking moms, and high maternal body mass index have also been associated to bladder exstrophy. Valproic acid increases bladder exstrophy risk; chemicals and pollutants during pregnancy may increase bladder exstrophy risk. Bladder exstrophy has no identified cause despite these risk factors. Exstrophy reconstruction seals the bladder, improves bowel function, reconstructs the vaginal region, and restores urination.
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Florencia Evelyn,Ria Margiana 대한해부학회 2022 Anatomy & Cell Biology Vol.55 No.4
Anatomy studies require cadavers to study the human body. Generally in Indonesia, the dead human body will be buried. This causes problems because the decomposition process of a cadaver that is preserved with formalin will be delayed and it causes environmental pollution. The toxicity of formalin can be reduced by neutralizing the formalin. This study aimed to compare the decrease of mice mass that were preserved with formalin then neutralized with sodium bicarbonate and those that were not neutralized. This study used 18 mice (Mus musculus) which were divided into 3 groups. They were the control group (not given preservative), group preserved with 4% formalin, and group preserved with 4% formalin then neutralized with sodium bicarbonate. All groups of mice were buried for 6 weeks. The changes in mass were assessed with an analysis of the percentage loss in mass. Based on the results of this study, the formalin group had a greater percentage of total mass reduction than the neutralize group. The formalin group had a higher decomposition rate than the neutralizing sodium bicarbonate group. The effectiveness of reducing the concentration of formalin is similar with neutralize group. Therefore, it can be concluded that 4% formalin is recommended for use to accelerate the occurrence of decay and decrease in mass.
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Amanda Natalie Wijaya,Ria Margiana,Sasanthy Kusumaningtyas,Deswaty Furqonita 대한해부학회 2021 Anatomy & Cell Biology Vol.54 No.2
Learning anatomy in medical school is still closely based on the use of cadavers. The burial of preserved cadaver poses a problem, specifically, it contaminates the soil with formalin. Many studies have been conducted to find an alternative fixative to update or modify formalin usage. One of them is ethanol-glycerin (EG), which suggests promising results. Despite that fact, there has yet to be any research comparing the decomposition rate between EG and formalin. This study is conducted to compare the rate of decomposition between the two fixative solutions, EG and 4% formalin on the hind limb of mice. The mice were first preserved using a standard primary fixative solution which is 10% formalin, following that procedure is preservation using advanced fixative solution, EG or 4% formalin. Upon completing the preservation steps, the mice were buried for 6 weeks and observed weekly. The stages of decomposition were assessed semi-quantitatively depending on its appearance. The hind limbs of mice that were fixed with EG solution managed to reach the last stage of decomposition, dry & remains, while the 4% formalin group of mice still remained in the previous stage, advanced decay. It is concluded that the mice hind limbs that have been previously preserved with EG advanced fixative solution has a faster decomposition rate compared to 4% formalin.
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