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.
St Andrew's Castle is a picturesque ruin located in the coastal Royal Burgh of St Andrews in Fife, Scotland. The castle sits on a rocky promontory overlooking a small beach called Castle Sands and the adjoining North Sea.There has been a castle standing at the site since the times of Bishop Roger (1189-1202), son of the Earl of Leicester.oon after the sack of Berwick in 1296 by Edward I of England, the castle was taken and made ready for the English king in 1303. In 1314, however, after the Scottish victory at Bannockburn, the castle was retaken and repaired by Bishop William Lamberton, Guardian of Scotland, a loyal supporter of King Robert the Bruce.