نتایج جستجو برای: mouse fetus
تعداد نتایج: 305040 فیلتر نتایج به سال:
The objectives were to (a) determine the age in development when GnRH is first detectable in the brain and (b) observe the distribution of GnRH throughout the fetal and early postnatal period. GnRH was localized immunohistochemically in fetal (15, 16, 17 and 19 days of gestation) and early postnatal (1- and 7-day-old) mice with the peroxidase-antiperoxidase (PAP) method of Sternberger. In the o...
The placenta plays a key role in pregnancy, mediating exchanges between mother and fetus and maternal tolerance of fetopaternal antigens. In some species, it also produces hormones that ensure the maintenance of gestation and fetal well-being. This unique organ also has considerable potential for use as a model for various aspects of biology. Indeed, the use of transgenic mouse models has great...
Ultrasound was used to measure growth of the spiny mouse fetus throughout gestation and to record Doppler measurements of heart rate and umbilical blood flow to monitor fetal blood supply and wellbeing. Female spiny mice were anesthetized on 6 occasions throughout pregnancy. Ultrasound was performed with a Philips HDI 5000 machine using a compact linear CL15-7 transducer. Fetal heart rate and g...
Mouse stromal cell lines (FLS lines), established from the livers of 13-day gestation mouse fetus, supported the proliferation and differentiation of the erythroid progenitor cells from mouse fetal livers and bone marrow in a semisolid medium in the presence of erythropoietin. A large erythroid colony of over 1000 benzidine-positive erythroid cells was developed from a single erythroid progenit...
Objetivo: Ampliar o conhecimento acerca das patologias, especialmente na diferenciação diagnóstica de Fetus-in-Fetus (FIF) e teratoma. A partir do estudo da presente revisão bibliográfica, será possível identificar aspectos fisiopatológicos distintos dessas doenças, além diagnóstico diferencial.Métodos: Realizaram-se análises bases dados nacionais estrangeiras no período 2009 a 2023, relatos ca...
Human confined placental mosaicism (CPM), where the placental trophoblast is mosaic for a chromosome abnormality but the fetus is chromosomally normal, can cause problems for prenatal diagnosis, but its causes are poorly understood. Tetraploid<-->diploid chimeras provide a model for the development of one type of CPM, but animal models for other types of restricted mosaicism are needed. The obj...
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