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The outermost layer forms the skin, specifically the epidermis, and neural tissues including neurons within the brain and pigment cells like melanocytes, responsible for pigmentation.
The Complexity of Skin Structure: An Example
The human skin exemplifies tissue complexity, consisting of multiple layers and specialized structures:
The outer epidermis produces skin cells, melanocytes, and forms a barrier against the environment.
Beneath the epidermis, the dermis contains blood vessels, nerve endings, hair follicles, and sweat glands.
The hypodermis (subcutis) comprises connective tissue and fat for insulation and cushioning.