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.
Castle Sween, Lochgilphead, Argyll and Bute. Owned by: Historic Scotland. Remains of 12th century castle, one of the earliest stone castles built in Scotland. Built by the Clan Suibhne (pronounced Sween), the castle changed hands many times during the medieval period. Free and open access at any reasonable time.