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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
![Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_00_96842099.jpeg)
![Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_00_96851294.jpeg)