The promontory forts in Ireland are examples of this. Similarly, the ancient town of Ras Bar Balla in southern Somalia, which in the Middle Ages was part of the Ajuran Sultanate's domain, was built on a small promontory.
Why Patients with Kidney Disease Have Headache. Headache is a common sign of kidney disease. Therefore, you should not neglect unexplained headache and delay the treatment. The condition in kidney disease is mainly attributable to the following causes.
The damage to glomerular artery and nephrons due to hypertension is focal, but kidney function decline in the late term is progressive. On one hand, high blood pressure can impair kidneys, and kidney damage aggravates hypertension; they two form a vicious circle, and cause pathological changes in normal small artery and nephrons. On the other hand, hypertension induced nephrons injury can cause compensatory high perfusion and high filtration in remaining normal nephrons.