Embryo 7700 - Stage 5c | Fig. 29. Hertig and Rock, 1941. |
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High-power detail of arteriovenous sinusoid supplying the specimen with blood. The sinusoid is greatly dilated and contains but a few blood cells. The lumen of the small branch in the lower right communicates directly with the intercellular spaces of the surounding endometrium through a break in the wall of the vessel. There is massive edema and marked hemorrhage is probably the defect in the wall of this small sinusoidal branch. | ||||
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