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Anatomy & Physiology: Integumentary System Basics

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Terms in this set (10)

  • Hypodermis

    The hypodermis is the deepest layer of skin, composed mainly of fat and connective tissue, providing insulation and cushioning.

  • Melanin

    Melanin is the pigment produced by melanocytes that gives skin, hair, and eyes their color and protects against UV radiation.

  • Carotene

    Carotene is a yellow-orange pigment found in the skin that can accumulate from diet and contribute to skin color.

  • Sebaceous gland

    A sebaceous gland is a skin gland that secretes sebum to lubricate and waterproof the skin and hair.

  • Sebum

    Sebum is an oily substance produced by sebaceous glands that helps keep skin and hair moisturized and protected.

  • Sudoriferous gland

    A sudoriferous gland is a sweat gland responsible for producing sweat to regulate body temperature and excrete waste.

  • Hair follicle

    The hair follicle is a sheath of cells and connective tissue that surrounds the hair root and anchors the hair into the skin.

  • Hair root

    The hair root is the part of the hair located below the skin surface, embedded in the hair follicle.

  • Hair shaft

    The hair shaft is the visible part of the hair that extends above the skin surface.

  • Arrector pili

    The arrector pili is a small muscle attached to hair follicles that contracts to cause hair to stand up, producing goosebumps.