|Hormonal Disorders in Childhood|
Hormones are chemically diverse substances (e.g. steroids;
peptides), which are released into the bloodstream in response to some
stimulus, and activate cells, depending on the hormone in question.
The system of a group of glands and organs in the body that controls the
secretion of hormones into the blood stream is called the endocrine
The main components of the endocrine system, the main hormones they secrete
and their function are laid out in the below.
The hormonal disorders dealt with in this section are:
- Adrenal Gland Disorders, including ,
as well as
( Addison's Disease ).
- , including
- Pituitary Gland Disorders, including .
- Testicular Disorders , or androgen (male
sex hormone) disorders.
|| Pituitary Gland
|| Thyroid Gland
|| Parathyroid Glands
|| Islets of the Pancreas
|| Adrenal glands
of the brain; controlled by the hypothalamus
the kidneys in the lower back
2. Thyroid-stimulating hormone,
5. Growth hormone
5. Certain Androgens
1; 2; 3; 4 Control the function of other
endocrine glands and stimulate these glands to produce
5. Ensures growth during childhood.
rate. Physical and mental development in young.
of Calcium (CA++) from bone, re-absorption of CA++ from
kidneys; Activates Vitamin D.
||Lowers blood glucose
levels; facilitates the entry of glucose into target cells;
hormone of energy storage; promotes synthesis of glycogen,
protein and fat.
1; 2 Fight-or-flight reaction
to danger and emotional stress.
3. Regulates the salt balance
in the body
4. Processing protein, fat, and
5. Male sex hormones
1. Growth and sexual development;
2. Development & maturation
of accessory reproductive structures (e.g. uterus; breasts)
and secondary sexual characteristics.
3. Development of endometrium
& maintenance during pregnancy. Development of breasts.
The information in this page is presented in summarised form and has been taken
from the following source(s):
University of Maryland Medical System Online Health Guides:
Introduction to Human Physiology , 2nd Edition (1981), M. Griffins, Macmillan Publishing
Co. Inc, New York
(def;articles & more)