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ectoderm, ectomeninx, edge of metencephalon, endomeninx, mesocoele (midbrain ventricle), mesoderm, middle cerebral plexus, rhombencoel (fourth ventricle), tectum of mesencephalon (midbrain)

A section through the tectum of the mesencephalon and edge of the metencephalon.

Observe:
1. The dorsal part of the mesocoele and fourth ventricle.
2. The dorsal part of the middle cerebral plexus of veins in the ectomeninx.


Keywords: ectoderm, ectomeninx, edge of metencephalon, endomeninx, mesocoele (midbrain ventricle), mesoderm, middle cerebral plexus, rhombencoel (fourth ventricle), tectum of mesencephalon (midbrain)

Source: Atlas of Human Embryos.