« previous next »
« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Devil facial tumour disease causes tumours to form in and around the mouth, interfering with feeding Devil facial tumour disease causes tumours to form in and around the mouth, interfering with feeding
Landmarks of the Area Around the Mouth Landmarks of the Area Around the Mouth
External nose, mouth, and neck. External nose, mouth, and neck.
The hard palate is located anteriorly in the roof of the mouth The hard palate is located anteriorly in the roof of the mouth
Mouth Mouth
Sea Lamprey mouth, showing teeth. Sea Lamprey mouth, showing teeth.
Video: Inflammation and Fever

For a complete list of videos, visit our video library