List of North American cities by population. This list of North American cities by population ranks cities based on the latest available official government census figures, estimates or projections for mid-year populations (unless otherwise noted) living within city limits. All cities with a population exceeding 500,000 are included. 1  1 List.  2 See also.
The pituitary gland sends signals to other glands, for example the thyroid gland, to produce hormones, such as thyroid hormone. The hormones produced by the pituitary gland and other glands have a significant impact on bodily functions, such as growth, reproduction, blood pressure, and metabolism.umors can cause damage to the pituitary gland or hypothalamus and can therefore result in a loss of function. Damage to the pituitary gland can also be caused by radiation, surgery, infections such as meningitis, or various other conditions. In some cases, the cause is unknown.
Your pituitary gland receives messages from another part of your brain (the hypothalamus), which has itself received messages from the environment or other areas of your body. For example, if one of your hormone levels gets too low, your hypothalamus will send a message via hormones to your pituitary gland.our pituitary gland can begin to malfunction if a tumor develops and begins to exert pressure on it. The area in your pituitary gland that is the most vulnerable to dysfunction is the area that produces sex hormones. Launch Video Pregnant Man: How a Man Gets Pregnant. Launch Video.