Page 65 - The Cell in 40 Topics

Harun Yahya - Adnan Oktar

Figure 52.
Just like the conductor of an orchestra, the hypothalamus regulates the
body's hormonal balance.

special system has been created to regulate the amount of growth hormone
released in the body. The hypothalamus, regarded as the decision-making
part of the pituitary gland, decides how much of the hormone should be se-
creted. When the time comes for growth hormone to be secreted, it sends a
growth- hormone-releasing hormone (known as GHRH) to the pituitary
gland. When too much growth hormone accumulates in the bloodstream,

the hypothalamus sends another message (via the hormone somatostatin)
11
to the pituitary gland, slowing its release of growth hormone (Figure 52).
How do the cells composing the hypothalamus know how much
growth hormone there should be in the blood? How do they measure the

63