According to Valentin (1833) and Luschka (1862), the first description of the structure now known as the carotid body must be ascribed to a Swiss physiolo gist - Albrecht von Haller - who, in 1762, called it the ganglion exiguum. This claim, however, may be erroneous, for Tauber (1743) described a struc ture at the bifurcation on the common carotid artery and called it the ganglion minutum. Andersch (1797) reprinted the text of a study made by his father between 1751 and 1755. The original printing of this work had apparently been sold as waste paper! Andersch called the organ the ganglion intercaroticum on account of its location. He also specifically stated that the sympathetic chain, the glossopharyngeal and the vagus nerves sent branches into the organ. For a while the carotid body remained forgotten, to be rediscovered in 1833 by Mayer of Bonn who again remarked upon the branches of the sympathetic, glossopharyngeal and vagus nerves as sources of a nerve plexus which innervated the ganglion intercaroticurtl. . Valentin (1833) clearly regarded the structure as part of the sympathetic nervous system, although he too recognised that the vagus and glossopharyngeal nerves contributed conspicuously to its innervation. Thus it is evident that the anatomists of the eighteenth and early nineteenth centuries regarded the structure in the carotid bifurcation as one of the many ganglia which are interspersed in the course of the sympathetic nervous system.
Croom Helm, London, pp 277282 Heath D, Smith P, Harris P, WinsonM (1973)
The atherosclerotic human carotid sinus.J Path 110:4958 Hellstrom S (1975a)
Morphometric studies of densecored vesicles in type I cells of rat carotid body.
Many of the "elementary" drills are based on the transformational analysis of the
English auxiliary first found in Noam Chomsky's ... of IIT/Kanpur, for programing
the HT/K IBM 7044 computer to sort, alphabetize, and count the vocabulary use.
Imam Ahmad Hanbal has said in Al-Musnad as has Abu Daud in the Sunnah
based on genuine transmisssion from Umm Salma, who said, "The Prophet (
s.a.w) has prescribed all that intoxicates and numbs." The scholars also have
said: "That ...
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?This is a must read for people who have to struggle with the day-to-day problems of plant life. If you have a subordinate field position in a manufacturing facility, this book will reveal why bosses do the things they do.
This unique and practical book describes 42 real-life events and/or situations in the careers of the three authors from which they gained insights into the applicable best practices in maintenance and reliability. Designed to share knowledge and experience with the readers, in a readily accessible fashion, this resource does not tell the readers what to do or how to do it; it merely explains the event or situation the authors faced, and how they dealt with it. These stories are dynamic illustrations of real life situations which readers will recognize in their own work situations. With a vast potential for improvements in reliability and maintenance performance in industry, these wellproven approaches and best practices are sure to help stimulate improved performance on all fronts--safety and environmental, production, maintenance costs, and reputation!
These stories are dynamic illustrations of real life situations which readers will recognize in their own work situations.
