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Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Guttation, the result of root pressure. Guttation, the result of root pressure.
Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o
trigeminal nerve trigeminal nerve
Techniques for applying local anesthesia: (a) topical; (b) infiltration; (c) nerve block; (d) spinal Techniques for applying local anesthesia: (a) topical; (b) infiltration; (c) nerve block; (d) spinal
Retrograde Amnesia in Patients with Hippocampal Damage Retrograde Amnesia in Patients with Hippocampal Damage
Risk of Down Syndrome (Trisomy 21) by Maternal Age Risk of Down Syndrome (Trisomy 21) by Maternal Age
Video: Hershey Chase Experiments

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