Essays Tagged: "Hypothalamus"

Prader-Willi Syndrome

PWS have some but not all of the same features and symptoms.PWS is a birth defect. A defect in the hypothalamus, a region of the brain, is suspected to be the cause.The hypothalamus determines hunger ... is caused by the absence of some genes on one of the chromosones that affect the functionimg of the hypothalamus.Many laboratories around the world are researching this. About three-fourths of people ...

(6 pages) 51 0 3.0 Mar/1996

Subjects: Science Essays > Biology

What is stress?

scientists are able to prove visibly that chronic stress can SHRINK an area in the brain called the hypothalamus. Read More On This They have found that the brains of war veterans, as well as women wh ... women who have been victims of childhood sexual abuse, have a marked reduction in the size of their hypothalamus.Stress also affects your brain by releasing powerful chemical messengers called neurotr ...

(2 pages) 205 1 4.1 Jan/2003

Subjects: Social Science Essays

The nature of sexual attraction. What makes a human attractive/unattractive.

he truth is that it is determined by a pea-sized gland, ironically located on the brain, called the hypothalamus.The hypothalamus regulates homeostasis. It controls many emotions and feelings natu ... lates homeostasis. It controls many emotions and feelings naturally needed for survival. When the hypothalamus is informed of a condition, it secretes chemicals and hormones to the blood stream to s ...

(4 pages) 139 4 4.9 May/2003

Subjects: Science Essays > Biology > Human Biology

Human Biology

The pituitary gland and the hypothalamus are found within the brain and act together as a unit to regulate the activity of most ... rain and act together as a unit to regulate the activity of most of the other endocrine glands. The hypothalamus is sometimes referred to as the control centre as it controls pituitary function and pl ... an activity via the secretion of hormones. The pituitary gland, or master gland, is attached to the hypothalamus by a stalk and is positioned below it in the hypophyseal fossa of the sphenoid bone. A ...

(19 pages) 292 0 4.8 Dec/2003

Subjects: Science Essays > Biology > Human Biology

Sperm Travel Essay - A brief essay about the journey of a sperm, the glands and hormones involved in reproduction, and how a baby is born.

Sperm Travel EssayWhen puberty begins in a male, the hypothalamus starts to produce a few different kinds of hormones that interact with the pituitary gl ... t interact with the pituitary gland, which influences many physiological processes of the body. The hypothalamus then secretes a hormone that causes the pituitary gland to release other hormones. Thos ...

(3 pages) 99 4 4.8 May/2004

Subjects: Science Essays > Biology > Human Biology

The Nervous System, Five parts of the brain

dn't be sent to the vision area, and auditory signals would not be sent to the auditory area.2. Hypothalamus- A brain structure involved in emotions and drives vital to survival.     ...

(1 pages) 34 0 2.3 Apr/2005

Subjects: Science Essays > Biology

Brian Structures and Sexual Orientation

h particular structures differ in size, one structure, the Third Inistitial Nucleus of the Anterior Hypothalamus (INAH 3) is generally larger in the male population (LeVay, 1991) except in men who are ... nces in structures, in particular the INAH. The INAH is found in the centre of the brain, below the hypothalamus and is composed of four regions INAH 1 through to 4, homosexual men have similar INAH 3 ...

(7 pages) 82 0 5.0 Apr/2005

Subjects: Science Essays > Biology > Human Biology

The Brain and Its' Structures

structures and areas inside the brain. I will discuss four of them with you. They are the thalamus, hypothalamus, endocrine and limbic systems. In this paper I will discuss the location of each struct ... g sensation on one half of a body, often accompanied by mood swings" (Wikipedia, 2005).Next, is the hypothalamus. The hypothalamus is an important supervisory center in the brain, rich in ganglia, ner ...

(4 pages) 116 0 5.0 Mar/2006

Subjects: Social Science Essays > Psychology

This is semi-weak and dry look at the basic of two opposite views of how psychology is conducted.

e brain. Humans share parts of a brain that almost all living things carry these parts included the hypothalamus which controls various simple wills such as feeding fighting and fleeing. Hippocampus c ...

(2 pages) 26 0 0.0 Mar/2006

Subjects: Social Science Essays > Psychology

Melatonin und das sympathische Nervensystem (Text in German) Melatonin and the autonomic nervous system: literature search to the relation between melatonin and the autonomic nervous system.

e und Neurotransmission des sympathischen Nervensystems 52.4. Kontrolle durch Hirnstamm und Hypothalamus 63. Melatonin (N-Acetyl-5-Methoxytryptamin, MEL) 73.1. Was ist Melatoni ... beta;1, wobei A stärker an β2- Adrenorezeptoren bindet.2.4. Kontrolle durch Hirnstamm und HypothalamusDie autonomen Zentren in Hirnstamm und Hypothalamus synchronisieren die Tätigkeit d ...

(40 pages) 63 0 1.0 May/2006

Subjects: Humanities Essays > Health & Medicine

The Endocrine System and the Female Cycle

(In men, the testes), adrenals, pancreatic Islets, thyroid, parathyrold, pineal, pituitary and the hypothalamus, which Is also part of the nervous system. Besides these major organs, the system Inclu ... oducing hormones by the end of the second trimester of fetal.In the order of endocrine command, the hypothalamus is the body's CEO, orchestrating the events of the rest of the endocrine system. The hy ...

(3 pages) 68 0 5.0 Sep/2006

Subjects: Science Essays > Biology > Human Biology

Heredity and Hormones

an also regulate moods or mood swings. The endocrine has three major glands: pineal, pituitary, and hypothalamus all located in the brain. Hormones facilitate the communication process, between neuron ...

(3 pages) 117 0 4.0 Dec/2006

Subjects: Science Essays > Biology > Human Biology

Brain Structures and their functions

i, longitudinal fissure, Right Cerebral hemisphere, left cerebral hemisphere, cerebellum, thalamas, hypothalamus, brain stem, midbrain, pons and medulla oblongata.The cerebrum, also referred to as the ... ntrolled movements.Located just caudal to the thalamus, in the anterior section of the brain is the hypothalamus. This structure stores hormones and controls the endocrine system. The hypothalamus con ...

(3 pages) 55 0 3.3 Jul/2007

Subjects: Science Essays > Biology > Human Biology

Nursing Skills

nzymes work best at this temperature, and if you are too hot or cold, the control centre called the hypothalamus sends nerve impulses to the skin. (Watson 2005).The core temperature (the temperature o ... at dissipation. The degree of sympathetic tone that exists is governed by information sent from the hypothalamus to the vasomotor centre, a specialised area within the brainstem. (Heath, 1995).Radiati ...

(9 pages) 70 0 5.0 Jan/2008

Subjects: Humanities Essays > Health & Medicine

Leptin

exclusively in adipose tissue. It is a hormone that communicates the status of energy stores to the hypothalamus. Higher leptin levels correlate with energy expenditure and low leptin levels correlate ... dings are consistent with the notion that decreased leptin levels during fasting are accompanied by hypothalamus-directed feelings of hunger. Additionally, this group found that the -3 adrenergic rece ...

(4 pages) 5 0 3.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Gender's Destiny

ng to experiments on rats? brains performed by scientist Günter Dörner, the center of the hypothalamus (the part of the brain that controls hormone output and different patterns of male and ... . He discovered that if not enough of the appropriate sex hormones were received, the center of the hypothalamus would not form properly and thus alter sexual behavior later in life. He also found tha ...

(4 pages) 29 0 3.0 Feb/2008

Subjects: Social Science Essays > Sociology

Sexual Orientation And Prefrences

? (Westen, 1999; p395). In another biological research, Simon LeVay discovered that in the anterior hypothalamus there are a tiny cluster of neurons that are associated with sexual behaviour. In this ... al men.? (Myers, 1995;p16). The problem with this research is that the tests done on the homosexual hypothalamus were from AIDS victims, which could have been affected by the virus. The problems with ...

(4 pages) 46 0 4.3 Feb/2008

Subjects: Social Science Essays > Psychology > Psychological Theories & Authors

Agression - Are We Born Agressive Or Is It Learned

The important areas in the brain for affecting aggressive behaviour are the pre-frontal cortex, the hypothalamus and the amygdala. In 1976, Moyer conducted studies that showed that electrical stimulat ...

(6 pages) 83 0 0.0 Feb/2008

Subjects: Social Science Essays > Psychology

General Adaptaion Syndrome

and breathing rise in order to supply the muscles and brain with more oxygen. This coupled with the hypothalamus part of the brain controlling the autonomic nervous system increases the adrenocorticot ...

(3 pages) 22 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine

The Medicine Pitocin

o stimulate and speed up labor. Oxytocin means "rapid birth." Oxytocin is a hormone produced by the hypothalamus and stored in the pituitary gland.Pitocin can be used when labor needs to be induced, o ...

(1 pages) 1615 0 0.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases