Origin and function of the yolk sac in primate embryogenesis | Nature Communications
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Mouse stem cells for primitive endoderm established | RIKEN
Yolk sac - Wikipedia
Frontiers | Tissue-Resident Macrophage Development and Function
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Microglia derive from yolk-sac macrophages formed during primitive... | Download Scientific Diagram
![Figure, Human Embryo Yolk Sac, Belly...] - StatPearls - NCBI Bookshelf](https://www.ncbi.nlm.nih.gov/books/NBK555965/bin/Gray459.jpg "Figure, Human Embryo Yolk Sac, Belly...] - StatPearls - NCBI Bookshelf")
Figure, Human Embryo Yolk Sac, Belly...] - StatPearls - NCBI Bookshelf
Frontiers | Mouse Yolk Sac Hematopoiesis
Atlas of Human Embryos Figure 4-3
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![Figure, Embryology; Aortic Arches; Primitive Jugular...] - StatPearls - NCBI Bookshelf](https://www.ncbi.nlm.nih.gov/books/NBK555965/bin/Gray472.jpg "Figure, Embryology; Aortic Arches; Primitive Jugular...] - StatPearls - NCBI Bookshelf")
Figure, Embryology; Aortic Arches; Primitive Jugular...] - StatPearls - NCBI Bookshelf
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Anatomy, descriptive and applied. Anatomy. 770 THE VASCULAR SYSTEMS The position of the sacs is as follows: (1) jugular sac, at the junction of the subclavian vein with the primitive jugular; (
Primitive Spencer Hamilton 8.125" - Dimension | Circle-A SAC
