« previous next »
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

The vulva, sagittal section illustrating how the labia majora and labia minora cover and protect the The vulva, sagittal section illustrating how the labia majora and labia minora cover and protect the
Transverse Thorax Section Transverse Thorax Section
Subsections within the surgery section. Subsections within the surgery section.
Immunocytochemistry. This section through a rat’s substantia nigra reveals dopaminergic neurons ... Immunocytochemistry. This section through a rat’s substantia nigra reveals dopaminergic neurons ...
CSF Flow - Sagittal section of brain and spinal cord CSF Flow - Sagittal section of brain and spinal cord
Water-conserving structures in a transverse section of pincushion leaf (Hakea laurina) Water-conserving structures in a transverse section of pincushion leaf (Hakea laurina)
Video: Complement Proteins Animation

For a complete list of videos, visit our video library