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.
Edinburgh Castle is a historic fortress which dominates the skyline of the city of Edinburgh, Scotland from its position on the Castle Rock.n the early 15th century, another English invasion, this time under Henry IV, reached Edinburgh Castle and began a siege, but eventually withdrew due to lack of supplies. From 1437, Sir William Crichton was Keeper of Edinburgh Castle, and soon after became Chancellor of Scotland.