The
hypothalamus is a small part of our brain that helps control our body functions like hunger, thirst, body temperature, and sleep.
Full definition
Developmental changes
in hypothalamus — pituitary — adrenal activity over the transition to adolescence: Normative changes and associations with puberty
This area of the brain
called hypothalamus senses the environmental conditions and then it sends signals in the form of chemicals to the pituitary gland.
When thyroid hormone levels are too low, your brain's
hypothalamus releases thyrotropin - releasing hormone (TRH), which stimulates the adjacent pituitary gland to produce thyroid - stimulating hormone (TSH).
Effects of a school readiness intervention
on hypothalamus — pituitary — adrenal axis functioning and school adjustment for children in foster care.
The Vitex herbs acts upon the pituitary and
hypothalamus glands by increasing luteinizing hormone (LH) production and mildly inhibiting the release of follicle stimulating hormone (FSH).
The moment you take the capsules, your brain's
hypothalamus region gets the signal to communicate with your hormones.
The other reviews [162]--[168] focusing on acupuncture and fMRI, had other emphases: Beissner et al. [162] focused on methodological problems, Cho et al. [163] explored neural substrates
for hypothalamus - pituitary - adrenal axis and Chae et al. [164] reviewed traditional Korean acupuncture.
Furthermore, androstadienone has been shown to maintain increased levels of salivary cortisol in women [7],
activate hypothalamus in a sex [8] and sexual orientation dependent manner [9], [10], and activate brain areas related to social cognition and attention [11].
A peptide has been isolated from ovine
hypothalamus which, at 1 x 10 - 9M, inhibits secretion in vitro of immunoreactive rat or human growth hormones and is similarly active in vivo in rats.
Hormones are the messengers to the body's proper functioning; however,
if hypothalamus is not signaling the pituitary gland to send the right signals to produce human growth hormone when needed, hormone replacement therapy can do the trick.
Comparing the gray matter in the cadavers of gay and straight men, he found that an area in the anterior
hypothalamus known as INAH - 3 was smaller in gay men, about the size it is in women.
Yerba mate drinkers can also improve
hypothalamus function, a part of the brain that produces and regulates hormones in the body.
He has shown that the
anterior hypothalamuses of gay and straight ferrets — as well as of male and female ferrets — are also of different sizes.
Reproductive Organs Sensing the excess testosterone, the pituitary gland and
hypothalamus stop producing two key hormones — follicle stimulating hormone and luteinizing hormone — that govern testicular and ovarian function.
The aim of this study is to characterize how neurons from the mediobasal
hypothalamus respond to a signal of protein availability: the amino acid l - leucine.
Here, in samples of
mouse hypothalamus — the brain center that detects and regulates internal temperature — Kun Song and colleagues identified neurons that were uniquely activated in response to warming at temperatures above the physiological set point of 37 °C.
In fact, the wiring is so efficient that the amygdala and
hypothalamus start this cascade even before the brain's visual centers have had a chance to fully process what is happening.
Local inflammation in the region of the brain known as
mediobasal hypothalamus (MBH) could trigger overeating and weight gain.
In action, the brain's
hypothalamus detects the smell of muffins and decides that yes, you're hungry.
The nerve cells involved in this integration process and control of hormonal signals reside in an area of the insect brain known as the mid-Ventral Ganglion (mVG), which in turn communicates with a region of the central brain that is akin to the
mammalian hypothalamus.
Follow - up studies in the mice could uncover more details about how a dysfunctional
hypothalamus leads to depression.
The cellular mechanisms underlying this bursting behavior have been studied in vitro, using either acute slices of the
adult hypothalamus, or organotypic cultures of neonatal hypothalamic tissue.
What surprises people is that this decline in metabolic rate is not as simple as losses in muscle mass, but has more to do with a physiologic adjustment of the body's metabolic thermostat (
i.e. hypothalamus, pituitary, leptin, thyroid, etc).
It also
impairs hypothalamus and pituitary function (which are directly responsible for the regulation of thyroid and adrenal function).
One of the hallmark signs of depression is an overactive hypothalamus [8].
When we encounter a stimulus that we perceive to be dangerous, our brain's
hypothalamus kicks into gear, releasing a hormone that results in the production of adrenaline.
Research on lab animals has shown that the number of
hypothalamus stem cells diminishes with age.
Ivanka Savic Berglund, a neuroscientist at the Karolinska Institute in Stockholm, put gay men, straight men, and women in a PET scanner (not all at the same time) and watched how their anterior
hypothalamus lit up when presented with an odor similar to one found in men's sweat and one similar to a scent found in women's urine.
And so the energy -
balancing hypothalamus and the mesolimbic dopamine system have become very well connected.
Scientists have identified an additional group of cells in the brain responsible for keeping us awake: the supramammillary nucleus, part of the
caudal hypothalamus.
If fish experienced the complex social environment for 2 month they had a
larger hypothalamus: the area that contains most of the brain nodes of the «social behaviour network».
Title: Analysis of the
rat hypothalamus proteome by data - independent label - free LC - MS / MS Author: V. Stelzhammer et al..
Plenary Address: Eric B. Keverne SubDepartment of Animal Behaviour, University of Cambridge, Cambridge, UK Evolutionary coadaptation of the
neuroendocrine hypothalamus and placenta in foetal programming
hypothalamus A region of the brain that controls bodily functions by releasing hormones.
Conclusions: A subset of neurons in the mediobasal
hypothalamus rapidly respond to physiological changes in extracellular leucine concentration.
Thirst and hunger originate from the
same Hypothalamus nuclei in our brain — the Lateral Hypothalamic Area.
Total Testosterone — indicator of testosterone deficiency, pituitary or
hypothalamus disorders, infertility, testicular tumors.
Adolescents experience heavier periods likely because of the immature endocrine system, in particular, the
immature hypothalamus function.
Primary testicular failure Klinefelter syndrome Cryptorchidism Orchitis Trauma HIV / AIDS Myotonic muscular deficiency Retroperitoneal fibrosis Aging Hypogonadotropic hypogonadism Kallman syndrome Prader - Willi syndrome Idiopathic hypopituitarism Pituitary tumors Suprasellar tumors Hemochromatosis Inflammatory, traumatic, vascular lesions of pituitary and
hypothalamus Obesity Severe chronic illnesses Medication Andropause
Phrases with «hypothalamus»