Abstract
A major function of the nervous system is to maintain the constancy of the internal environment. In 1878, Claude Bernard pointed out the remarkable distinction between our highly variable external environment (i.e., the environment that we live in and that is subject to major changes with regard to temperature, humidity, and food availability) and our rather invariable internal environment (i.e., the fluids surrounding our bodily tissues, whose composition is very constant). Conversely, Walter Cannon later put forward that our internal environment is not in fact constant, but rather shows a limited variability. He called the mechanism that maintains this limited variability “homeostasis.” Although in principle the whole brain is involved in homeostasis, the central brain region for homeostasis is the hypothalamus, a small area of the diencephalon that comprises less than 1% of the total volume of the human brain. The name hypothalamus was coined and introduced by Wilhelm Hess in 1893.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Further Reading
Kreier F, Swaab DF (2010) History of neuroendocrinology: “the spring of primitive existence”. In: Finger S, Boller F, Tyler KL (eds) Handbook of clinical neurology, vol 95, History of neuroendocrinology, 3rd series. Elsevier, Amsterdam
Weiner J (1999) Time, love memory. A great biologist and his quest for the origins of behavior. Vintage, New York
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2013 Springer Science+Business Media, LLC
About this entry
Cite this entry
Kalsbeek, A., Fliers, E. (2013). Hypothalamus. In: Pfaff, D.W. (eds) Neuroscience in the 21st Century. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1997-6_47
Download citation
DOI: https://doi.org/10.1007/978-1-4614-1997-6_47
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4614-1996-9
Online ISBN: 978-1-4614-1997-6
eBook Packages: Biomedical and Life SciencesReference Module Biomedical and Life Sciences