Embryo 7700 - Stage 5c
Fig. 31. Heritg and Rock, 1941.
Part of the trophoblast from the lateral (equatorial) aspect of the ovum, to show the "brush border" lining the lacunar spaces of the syncytiotrophoblast. The small capillary on the right connects the lacunar spaces of the trophoblast with the near-by arteriovenous sinusoids.
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