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Chapter
Corticotropin-Releasing Factors
Hypothalamic regulation of pituitary adrenocorticotropic hormone (ACTH) secretion was proposed in 1948 (1) and confirmed in 1955 by the demonstration that a crude extract of the stalk median eminence induced A...
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Chapter
The Pineal and Its Indole Products: Basic Aspects and Clinical Applications
After decades of conflicting findings concerning the functions of the pineal, research within the last 20 years has finally begun to unravel the complex interactions of this ubiquitously acting gland. Indeed, ...
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Chapter
Feedback Regulation of Growth Hormone Secretion
Growth hormone (GH) is synthesized, stored, and secreted by the somatotroph cells of the anterior pituitary. These cells are densely granulated, with secretory granules measuring 250–500 nm on electron microsc...
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Book
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Chapter
Gonadotropin Releasing Hormones: Physiopathology and Clinical Applications
In 1971, Schally and associates reported the isolation, identification, and synthesis of gonadotropin releasing hormone (GnRH), also called luteinizing hormone releasing hormone (LHRH) or luteinizing releasing...
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Chapter
The Neurobiology of Anorexia Nervosa: An Auto-Addiction?
Anorexia nervosa (AN) is a disorder in which patients refuse to eat, as a result of a morbid fear of obesity. They believe themselves to be “fat and ugly” despite severe emaciation and an appearance shocking t...
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Chapter
Neuropeptides and Glucose Metabolism
In recent years, numerous new biologically active peptides have been discovered in the gastrointestinal tract. While immunohistochemical evidence suggests that at least 20 of them are present in the brain (1–3...
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Chapter
Brain Adenosine and Purinergic Modulation of Central Nervous System Excitability
Evidence that adenosine can modify a variety of physiologic processes first appeared when Drury and Szent-Gyorgi (1) reported that the administration of adenosine to mammals caused a decrease in arterial blood...