GENERAL COMMENTS. Acoustic tumors are non-malignant fibrous growths, originating from the balance or hearing nerve, that do not spread (metastasize) to other parts of the body. They constitute six to ten percent of the brain tumors.ENERAL COMMENTS. Acoustic tumors are non-malignant fibrous growths, originating from the balance or hearing nerve, that do not spread (metastasize) to other parts of the body. They constitute six to ten percent of the brain tumors.
Firth is a word in the Scots and English languages used to denote various coastal waters in Scotland and England.In mainland Scotland it is used to describe a large sea bay, or even a strait. In the Northern Isles it more usually refers to a smaller inlet.owever, some firths are exceptions. The Cromarty Firth on the east coast of Scotland, for example, resembles a large loch with only a relatively small outlet to the sea and the Solway Firth and the Moray Firth are more like extremely large bays.
The Nuttall Encyclopedia(0.00 / 0 votes)Rate this definition: Tay. a river of Scotland whose drainage area lies almost wholly within Perthshire; rises on the northern slope of Ben Lui, on the Argyll and Perthshire border, and flowing 25 m. NE. under the names of Fillan and Dochart, enters Loch Tay, whence it sweeps N., SE., and E., passing Aberfeldy, Dunkeld, Perth, and Dundee, and enters the North Sea by a noble estuary 25 m. long and from Â½ m. to 3Â½ m. broad; chief affluents are the Tummel, Isla, Almond, and Earn; discharges a greater body of water than ...