Search Results

Knee Animation

By: Administrator, Views: 12321

With a sudden meniscus tear, a pop may be heard or felt in the knee. After the initial injury, pain, swelling, and tightness may increase over the next few days. The most common knee injury is the torn meniscus. Although a torn meniscus can happen to anyone, this injury occurs most often to athle...

Bone processes - resorption and deposition, remodeling and response to stress in adult bones

By: HWC, Views: 9140

• The process of remodeling bone tissues involves bone cells resorbing or depositing minerals into bone tissue. • During resorption, bone cells break down bone tissue and release calcium and other minerals for use by other cells in the body. • Bone cells also rebuild bone tissue by depo...

Trunk Movement Animation

By: Administrator, Views: 544

Muscles responsible for trunk and abdominal movement.

Brain Anatomy Animation (Part 1 of 2)

By: Administrator, Views: 12378

The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system. The brain consists of the cerebrum, the brainstem and the cerebellum. It controls most of the activities of the body, processing, integrating, and coordinating the infor...

Hand Opposition Animation

By: Administrator, Views: 297

Opposition is a composite of the following two motions: Rotation of the thumb into pronation so that the pulp fingers of the thumb and index fingers face one another. Abduction or lifting of the thumb away from the palm of the hand (palmar abduction).

A timeline of the teeth (Explained - No Audio)

By: HWC, Views: 7894

Although most babies don't appear to have any teeth when they are born, they are in fact already well developed out of sight beneath the gum. The first molars erupt at about 12-14 months. The canines follow at about 16-18 months . By 3 years old, the second molars have usually erupted, c...

Bipolar Disorder

By: Administrator, Views: 12182

Bipolar disorder, previously known as manic depression, is a mental disorder that causes periods of depression and periods of abnormally elevated mood. The elevated mood is significant and is known as mania or hypomania, depending on its severity, or whether symptoms of psychosis are present. Dur...

Stress and Immune System Animation

By: Administrator, Views: 12149

How stress and the immune system are linked. Immune response declines with age, limiting body's ability to identify and fight foreign substances. Loss of thymus cortex leads to reduced production of T lymphocytes, including T cells, NK cells, B lymphocytes. Frequency and severity of infectio...

Medullary osmotic gradient - influencing factors

By: HWC, Views: 9353

▪ Maintenance of fluid volume and composition, despite changes in water input and output, is crucial to a healthy life. ▪ Regulation of blood's osmolarity, or solute concentration, is a function of the nephron. • Normal osmolarity is maintained by the ability of the nephron to alter uri...