Endocrine glands are glands of the endocrine system
that secrete their products, hormones, directly into the blood rather than
through a duct.
The main endocrine glands include the pituitary gland, pancreas, ovaries,
testes, thyroid gland,
and adrenal glands.
hypothalamus is a neuroendocrine organ. Other organs which are not so well
known for their endocrine activity include the stomach, which produces such
hormones as ghrelin.
The thyroid is one of the
largest endocrine glands in the
body. This gland is found in the neck
inferior of the
The thyroid controls how
quickly the body burns energy, makes proteins, and how sensitive the body
should be to other hormones
The thyroid gland is shaped
somewhat like a bow tie and is located in front of and slightly below the
The thyroid participates in
these processes by producing thyroid hormones, principally thyroxine (T4)
These hormones regulate the
rate of metabolism and affect the growth and rate of function of many
other systems in the body.
Iodine is an essential
component of both T4 and T3. The thyroid also produces the hormone
which plays a role in
It is non-iodinated thyroid
hormone which checks the concentration of Calcium and Sulphate
in blood plasma by decreasing metabolism from bones.
Itís deficiency results in
osteoporosis or loss of bone density
The thyroid is controlled by