Siege of Minas Tirith. Minas Tirith (S. 'Tower of the Guard') was a city of Gondor, originally called Minas Anor. From T.A. 1640 onwards it was the capital of the South-kingdom and the seat of its Kings and ruling Stewards.
In obsolete|lang=en terms the difference between tract and duct is that tract is (obsolete) to draw out; to protract while duct is (obsolete) guidance; direction. As nouns the difference between tract and duct is that tract is an area or expanse while duct is a pipe, tube or canal which carries gas or liquid from one place to another. As verbs the difference between tract and duct is that tract is (obsolete) to pursue, follow; to track while duct is to channel something through a duct (or series of ducts). In obsolete|lang=en terms the difference between tract and duct is that tract is (obsolete) to draw out; to protract while duct is (obsolete) guidance; direction.
How does a neuron differ from a nerve/tract. Neurons are structural units of nerves. A nerve is a bundle of nerve fibers found in the PNS and myelinated by schwann cells. A track is found in the CNS and it myelinated by oligodendrocytes.