Clinical implications of an anatomical variant of the ductus venosus

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چکیده ندارد.

Comment on “the ductus venosus: proposal for a uniform anatomical definition”.

The Case Report: a Rare Anatomical Variant of Ansa Cervicalis

A rare variant of ansa cervicalis was discovered during routine dissection of the neck in a male cadaver. The superior root of the Ansa cervicalis was formed by the C1 ventral ramus. It fused with the vagus nerve in place of the hypoglossal nerve without any connection and descended into the carotid sheath with it. Then, C1 ventral ramus formed from the sheath and joined the inferior root from ...

The ductus venosus and the mechanism of its closure.

Although recognized since Vesalius as one of the distinguishing features of the foetal circulation, the precise function of the ductus venosus is uncertain. Anatomically, it provides a direct connexion between the umbilical vein and the inferior vena cava. Functionally, it represents a bypass through which part of the oxygenated umbilical blood flows directly into the inferior vena cava. Howeve...

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مطالعات قبلی بازار بیمه را به صورت کلی در نظر می گرفتند اما در این مطالعه صنعت بیمه به عنوان متغیر مستفل به بیمه های زندگی و غیر زندگی شکسته شده و هم چنین بیمه های زندگی به رشته های مختلف بیمه ای که در بازار بیمه ایران سهم قابل توجهی دارند تقسیم میشود. با استفاده از روشهای اقتصاد سنجی داده های برای دوره های 48-89 از مراکز ملی داده جمع آوری شد سپس با تخمین مدل خود بازگشتی برداری همراه با تعدادی ...