« previous next »
« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Synthesis and major functions of the chief steroid hormones in animals. Synthesis and major functions of the chief steroid hormones in animals.
Steroid hormone interacting with an intracellular receptor. Steroid hormone interacting with an intracellular receptor.
Steroid ring structure Steroid ring structure
The conserved DNA-binding domain in steroid receptors The conserved DNA-binding domain in steroid receptors
ACTH, aldosterone, and ADH release. ACTH, aldosterone, and ADH release.
Renin-angiotensin-aldosterone system. Renin-angiotensin-aldosterone system.
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

For a complete list of videos, visit our video library