Before the fertilized ovum reaches the uterus, the mucous membrane of the body of the uterus undergoes important changes and is then known as the decidua. The thickness and vascularity of the mucous membrane are greatly increased; its glands are elongated and open on its free surface by funnel-shaped orifices, while their deeper portions are tortuous and dilated into irregular spaces. The interglandular tissue is also increased in quantity, and is crowded with large round, oval, or polygonal cells, termed decidual cells. Their enlargement is due to glycogen and lipid accumulation in the cytoplasm allowing these cells to provide a rich source of nutrition for the developing embryo. Decidual cells are also thought to control the invasion of the endometrium by trophoblast cells.
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| - خلية ساقطية (ar)
- Decidual cells (en)
- Decidualcell (sv)
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| - قبل أن تصل البويضة المخصبة إلى الرحم ، الغشاء المخاطي لجسم الرحم يخضع لتغييرات هامة ومن ثم يعرف بالغشاء الساقط. سمك ووعائية الغشاء المخاطي تشهد زيادة كبيرة؛ الغدد تطول وتفتح على سطحه على شكل فتحات قمعية، في حين أن أعمق أجزائه تلتوي وتتوسع في مسافات غير منتظمة. وتزداد الأنسجة داخل الغدد زيادة كمية، وتكتظ بخلايا بيضوية مستديرة، أو خلايا مضلّعة، توصف بالخلايا الساقطية. توسيعها يرجع إلى الجليكوجين وتراكم الدهون في السيتوبلازم مما يسمح لهذه الخلايا أن توفر مصدرا غنيا لتغذية الجنين النامي. (ar)
- Decidualceller är differentierade epitelceller från livmodern som bildas som svar på progesteron och embryonalt chorionic gonadotropin. Det får epitelcellerna att börja utsöndra näringsämnen som det tidiga embryot kan livnära sig på fram till implantationen fullföljts. (sv)
- Before the fertilized ovum reaches the uterus, the mucous membrane of the body of the uterus undergoes important changes and is then known as the decidua. The thickness and vascularity of the mucous membrane are greatly increased; its glands are elongated and open on its free surface by funnel-shaped orifices, while their deeper portions are tortuous and dilated into irregular spaces. The interglandular tissue is also increased in quantity, and is crowded with large round, oval, or polygonal cells, termed decidual cells. Their enlargement is due to glycogen and lipid accumulation in the cytoplasm allowing these cells to provide a rich source of nutrition for the developing embryo. Decidual cells are also thought to control the invasion of the endometrium by trophoblast cells. (en)
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| - قبل أن تصل البويضة المخصبة إلى الرحم ، الغشاء المخاطي لجسم الرحم يخضع لتغييرات هامة ومن ثم يعرف بالغشاء الساقط. سمك ووعائية الغشاء المخاطي تشهد زيادة كبيرة؛ الغدد تطول وتفتح على سطحه على شكل فتحات قمعية، في حين أن أعمق أجزائه تلتوي وتتوسع في مسافات غير منتظمة. وتزداد الأنسجة داخل الغدد زيادة كمية، وتكتظ بخلايا بيضوية مستديرة، أو خلايا مضلّعة، توصف بالخلايا الساقطية. توسيعها يرجع إلى الجليكوجين وتراكم الدهون في السيتوبلازم مما يسمح لهذه الخلايا أن توفر مصدرا غنيا لتغذية الجنين النامي. (ar)
- Before the fertilized ovum reaches the uterus, the mucous membrane of the body of the uterus undergoes important changes and is then known as the decidua. The thickness and vascularity of the mucous membrane are greatly increased; its glands are elongated and open on its free surface by funnel-shaped orifices, while their deeper portions are tortuous and dilated into irregular spaces. The interglandular tissue is also increased in quantity, and is crowded with large round, oval, or polygonal cells, termed decidual cells. Their enlargement is due to glycogen and lipid accumulation in the cytoplasm allowing these cells to provide a rich source of nutrition for the developing embryo. Decidual cells are also thought to control the invasion of the endometrium by trophoblast cells. Experimentally, human endometrial stromal cells can be decidualized in culture by using analogs of cAMP and progesterone. The cells will exhibit a decidualized phenotype and display upregulation of common decidualization markers such as prolactin and IGFBP1. (en)
- Decidualceller är differentierade epitelceller från livmodern som bildas som svar på progesteron och embryonalt chorionic gonadotropin. Det får epitelcellerna att börja utsöndra näringsämnen som det tidiga embryot kan livnära sig på fram till implantationen fullföljts. (sv)
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