« previous next »
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
Line immunoassay (LIA), also recombinant immunoblot assay (RIBA) and Immuno-stripe, is similar to a ... Line immunoassay (LIA), also recombinant immunoblot assay (RIBA) and Immuno-stripe, is similar to a ...
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
Video: Neural Reflex Arc Animation

For a complete list of videos, visit our video library