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Friday, October, 23, 2009

Structures Of Integumentary System

Health Encyclopedia: Melanoma And Other Skin Cancers Introduction

Introduction


Melanoma is the most deadly form of skin cancer, although it can often be cured if caught very early. To understand how melanomas form, it is useful to know something about the skin.

The Skin. The skin is the largest organ in the body and consists of layers.

  • The outermost layer of the skin, the epidermis, is only about 20 cells deep, roughly as thick as a sheet of paper.
  • The dermis ranges in thickness from one to four millimeters (about 1/32 to 1/8 inch). The dermis contains tiny blood ...
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Health Guide

Alzheimer's- Diagram of the Brain
...slowly attacks nerve cells in all parts of the cortex of the brain and some surrounding structures, thereby impairing a person's abilities to govern emotions, recognize... Read more »
Ear Infections: Introduction
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Infertility in Men: Sperm Abnormalities
...swim and penetrate the egg.Abnormal Sperm Morphology (Teratospermia)Morphology refers to the shape and structure of an object. Morphology may be even more important than count or motility in... Read more »
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...lobes.T3The tumor extends through the prostate capsule.T4The tumor is fixed to or invades adjacent structures.N StagesN followed by 0 to 3 refers to whether the cancer has reached the regional... Read more »
Sleep Apnea: Causes
CausesAny structural abnormality in the face, skull, or airways that causes some obstruction or collapse in the upper airways and reduces air pressure can produce sleep apnea syndrome. Abnormalities... Read more »

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