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Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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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.

Different types of membrane proteins. Different types of membrane proteins.
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
Spider Exoskeleton Spider Exoskeleton
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
Video: Bacteriophage (Virus) - Mice Experiment

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