One of these subsequent events is organogensis, which gastrulation makes possible by allowing the different germ layers to differentiate into major body tissues and form functioning organs. The germ layers that are established during gastrulation are the endoderm, mesoderm, and ectoderm.
Eilean Donan Castle is a medieval castle on the small island of Eilean Donan in Loch Duich in the western Highlands of Scotland.The island is dominated by its famous picturesque castle.ilean Donan Castle is a medieval castle on the small island of Eilean Donan in Loch Duich in the western Highlands of Scotland.
The story of Eilean Donan Castle and of Eilean Donan, the island on which it stands, is an ancient one. Until the 1920s traces remained of what was probably an Iron Age fort and settlement on the island. This is perhaps no surprise.Eilean Donan stands in a strategically important location.ilean Donan Castle is one of the most easily recognised castles in Scotland and probably appears on more calendars than any other.