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.
Doune Castle is a medieval stronghold near the village of Doune, in the Stirling district of central Scotland. The castle is sited on a wooded bend where the Ardoch Burn flows into the River Teith. It lies 8 miles (13 km) north-west of Stirling, where the Teith flows into the River Forth.