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Common Integumentary System Terminology: Key Terms and Definitions

Learn the common terms used to describe the integumentary system, including the skin, hair, nails, glands, and protective body structures.

Common Integumentary System Terminology

The integumentary system includes the skin and related structures that help protect the body from the outside environment. Learning common integumentary system terms can make it easier to understand body protection, sensation, temperature control, and skin-related health topics.

These terms are often used in anatomy, health education, and discussions about skin structure and function.

Why Integumentary System Terminology Matters

Integumentary system terms help describe the structures that cover and protect the body. They are useful for understanding how the skin works and how it supports overall health.

Common Integumentary System Terms

Skin

The body’s outer covering that helps protect internal tissues.

Epidermis

The outer layer of the skin.

Dermis

The layer of skin beneath the epidermis that contains nerves, blood vessels, and glands.

Subcutaneous Tissue

The deeper layer below the skin that contains fat and connective tissue.

Hair Follicle

The structure in the skin where a hair grows.

Sweat Gland

A gland that produces sweat to help cool the body.

Sebaceous Gland

A gland that produces oil to help keep the skin and hair from drying out.

Pore

A small opening on the skin’s surface.

Keratin

A strong protein found in skin, hair, and nails.

Pigment

A substance that gives skin, hair, or eyes their color.

Common Prefixes and Suffixes

Medical terminology related to the integumentary system often includes specific prefixes and suffixes.

Prefixes

  • Derm- or Dermo-: Relating to skin
  • Cutaneo-: Relating to skin
  • Tricho-: Relating to hair
  • Onycho-: Relating to nails

Suffixes

  • -itis: Inflammation
  • -oma: Tumor
  • -osis: Condition
  • -cyte: Cell

Why This Terminology Matters

Understanding common integumentary system terminology helps explain how the body protects itself, senses the environment, and helps regulate temperature. These terms are a helpful starting point for learning about the skin and related structures.