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ectoderm, junction of ectoderm and neural ectoderm, mesoderm, neural ectoderm, rhombocoele (hindbrain ventricle), roof of rhombencoel (fourth ventricle)

A section through the roof of the rhombencephalon.

Observe:
1. The continuity between ectoderm and neural ectoderm where the rostral neuropore closed.
2. The thin-walled roof of the rhombocoele (hindbrain ventricle), which will be invaginated by blood vessels to form a choroid plexus.


Keywords: ectoderm, junction of ectoderm and neural ectoderm, mesoderm, neural ectoderm, rhombocoele (hindbrain ventricle), roof of rhombencoel (fourth ventricle)

Source: Atlas of Human Embryos.