Results 1 to 10 of about 74,541 (274)
Mouse Yolk Sac Hematopoiesis [PDF]
The yolk sac is the first observed site of hematopoiesis during mouse ontogeny. Primitive erythroid cells are the most well-recognized cell lineages produced from this tissue. In addition to primitive erythroid cells, several types of hematopoietic cells
Toshiyuki Yamane
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Single-cell transcriptomic dissection of two waves of endothelial-hematopoietic transition in a murine yolk sac [PDF]
The yolk sac drives vertebrate embryonic hematopoiesis through primitive hematopoiesis and endothelial-to-hematopoietic transition (EHT) waves. However, dynamic cellular and molecular changes during EHT of the yolk sac remain to be elucidated. We built a
Zhe Chen +9 more
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Primary vaginal yolk sac tumor in an 11-month-old girl: a case report [PDF]
BackgroundExtragonadal yolk sac tumors are exceedingly rare. This report describes a vaginal yolk sac tumor in an infant to highlight key diagnostic and therapeutic aspects and its inclusion in the differential diagnoses of unexplained vaginal masses ...
Jiacheng You, Wei Xia
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Serum lipidomics analysis reveals yolk sac absorption differences in newly hatched chicks [PDF]
The yolk sac provides nutrients to a newly hatched chick with maternal nutrient substances including large amounts of lipids. Higher resorption of the yolk sac is generally considered positive for chick development.
Qiqi Han +9 more
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Primary prostatic yolk sac tumor: A rare case report and literature review [PDF]
Primary prostatic yolk sac tumor is extremely rare, with only 9 cases documented in the literature. Because of the unusual anatomic location and diverse histological patterns, prostatic yolk sac tumor is diagnostically challenging. Here, we report a case
Minjing Shi +3 more
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Adult Pure Yolk Sac Tumor of The Testis [PDF]
Adult pure yolk sac tumor (YST) is extremely rare. In childhood pure yolk sac tumors are most frequently seen, whereas component of mixed germ cell testicular tumors observed in adults.
Sunil V Jagtap +2 more
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Discovery of New Markers for Haemogenic Endothelium and Haematopoietic Progenitors in the Mouse Yolk Sac [PDF]
Erythro-myeloid progenitors (EMPs) originate from the haemogenic endothelium in the yolk sac via an endothelial-to-haematopoietic transition (EHT) to generate blood and immune cells that support embryo development.
Guillermo Diez-Pinel +3 more
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Yolk sac tumor of the liver in an infant: A case report [PDF]
Yolk sac tumors can occur in various extragonadal sites, including the hepatobiliary tract, and are often associated with elevated serum alpha-fetoprotein.
Sara Ez-zaky, MD +7 more
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Primary Gastric Yolk Sac Tumour
Primary gastric yolk tumours are extremely rare. We report a 52-year-old male who presented to the Sultan Qaboos University Hospital, Muscat, Oman, in 2017 after having undergone a gastrectomy abroad due to a suspected poorly-differentiated ...
Asim Qureshi +4 more
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Background: The yolk sac is a small, membranous structure, which is situated outside the embryo and has a variety of functions during embryonic development.
Geetanjali Srivastava +5 more
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