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Host integration, Bioethics and Skin Tissue Engineering – Lesson Summary

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Immunology
Immunology is the study of the immune system and is a very important branch of the medical and biological sciences. The immune system protects us from infection through various lines of defence. If the immune system is not functioning as it should, it can result in disease, such as autoimmunity, allergy and cancer.

Immunity
Immunity can be defined as a complex biological system endowed with the capacity to recognize and tolerate whatever belongs to the self, and to recognize and reject what is foreign or non-self.

There are two types of immunity:
Innate Immunity
Adaptive Immunity

Bioethics
Bioethics is the study of the ethical issues emerging from advances in biology and medicine. It is also moral discernment as it relates to medical policy and practice.

Factors in Bioethics
Legal Factors
Organizational Factors
Individual Factors

Skin Tissue Engineering
The skin is the biggest structure of the body, and it plays a significant role in maintaining the unity of the body environment. The skin is important for the endurance of the organism as an outer coat for the thermal regulation and hydration preservation.Skin Tissue Engineering signifies a potential foundation of improved treatment in fighting acute and chronic skin wounds.

Biomaterials for Skin Tissue Engineering
Biomaterials that are used for skin tissue engineering can be classified into the following three categories: Natural materials, Synthetic materials and Combination materials.

Skin Grafting
Skin Grafting is a surgical procedure that involves removing skin from one area of the body and moving it, or transplanting it, to a different area of the body.

The following are the various fabrication techniques used for synthesizing Tissue-Engineered Skin Grafts:
Freeze-Drying
Electrospinning
Injectable Hydrogels