نتایج جستجو برای: anophthalmia
تعداد نتایج: 586 فیلتر نتایج به سال:
مقدمه: آنوفتالمی و میکروفتالمی بهصورت نبودن یک چشم یا وجود یک چشم کوچک در اربیت تعریف میشود که در بیش از 50درصد موارد با آنومالیهای سیستمی همراه است و علل متعدد محیطی و کروموزومی دارد. امکان تشخیص پیش از زایمان با روشهای تصویربرداری مثل سونوگرافی و نیز ارزیابی سیتوژن مایع آمنیون امکانپذیر است و درمان ایدهال باید هرچه زودتر بعد از زایمان آغاز شود. بهعلت نادر بودن این بیماری یعنی 30-1 در ه...
Fanconi's anemia (FA) is a paradigm for congenital anomalies, aplastic anemia and predisposition to malignancies. Identification of the disease at birth is based on characteristic physical malformations, as hematologic manifestations at birth are extremely rare. We report a case of FA in a newborn who presented with anophthalmia, unilateral radial ray defect, hemivertebrae and thrombocytopenia.
Bilateral anophthalmia/microphthalmia represents a rare and severe form of structural eye malformation in different species and has also been observed in cattle (Bähr et al., 2003). Therefore we started to map possible candidate genes for anophthalmia/microphthalmia in cattle. The ceh-10 homeo domain containing homolog (C. elegans) (CHX10) gene is an essential component in the network of genes ...
A new epigean asellid isopod, Caecidotea contrerasbalderasi sp. nov. is described from Nayarit, northwestern Mexico. This species has morphological characters belonging to two different types of environments, both depigmentation and anophthalmia, indicators organisms adapted live in constant darkness as cavernicolous species. Despite showing characteristics hypogean species, the taxon does not ...
This work proposes a novel direct-detection polarization division multiplexed OFDM scheme without the need of dynamic polarization control at a polarization-diverse receiver, and the proposed scheme is robust against polarization mode dispersion. Setting the frequency difference between two polarization-orthogonal reference carriers as one subcarrier spacing, possible signal fading can be avoid...
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