Question

What are the two major integument types?

   What are the two major integument types?

Plant Systematics

Plant Systematics

Michael G. Simpson 2nd Edition

Chapter 11, Problem 13

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There are two major types of integument: Show more…

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What are the two major integument types?

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Key Concepts

Epidermis

The epidermis is the outermost layer of the integumentary system. It is composed primarily of stratified squamous epithelial cells that provide a protective barrier against physical damage, pathogens, and water loss. Its structure—featuring specialized cells such as keratinocytes and melanocytes—allows it to withstand environmental challenges while also contributing to sensory perception and immune defense.

Dermis

The dermis is the deeper layer of the integumentary system, situated beneath the epidermis. It is made up of connective tissue and houses blood vessels, nerve endings, and various skin appendages like hair follicles, sweat glands, and sebaceous glands. This layer provides mechanical support, elasticity, and nourishment to the skin, and plays a crucial role in thermoregulation and sensation.

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