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Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

The hypothalamus and pituitary glands and their relation to the brain. The hypothalamus and pituitary glands and their relation to the brain.
Two regions of the brain involved in sleep. The anterior hypothalamus and adjacent basal forebrain ... Two regions of the brain involved in sleep. The anterior hypothalamus and adjacent basal forebrain ...
Levels of hepatitis A antigens and antibody after infection. Levels of hepatitis A antigens and antibody after infection.
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Levels of Structural Organization & Body Systems Levels of Structural Organization & Body Systems
Video: Chemical Messengers Animation

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