« previous next »
« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Long-day stimulation of flower development in Arabidopsis. Long-day stimulation of flower development in Arabidopsis.
Stem cells in mammalian development Stem cells in mammalian development
Prenatal Brain Development Prenatal Brain Development
A physical therapist exercising the patient’s leg in a physical therapy department. A physical therapist exercising the patient’s leg in a physical therapy department.
Imaginal disks in the development of Drosophila Imaginal disks in the development of Drosophila
Human Development (Full Term) Human Development (Full Term)
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library