Embryo 7802 - Stage 7 | Fig. 19. Heuser,
Rock and Hertig, 1945. |
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A finger-like process of cytotrophoblast (Cyto.) is seen in this section growing centripetally through the chorionic mesoderm. A small crescentic mass of syncytium (Syn.) has differentiated on the tip of the process. The intervillous spaces are lined with syncytium which reveals a distinct "brush border." Section 204. X150. | ||||
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