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Integumentary System Parts
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Flashcards
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Hair Follicles
Function: Produces hair that helps in protection and insulation. Location: Embedded within the dermis.
Melanocytes
Function: Produce melanin to protect against UV radiation. Location: In the basal layer of the epidermis.
Hypodermis (Subcutaneous fat layer)
Function: Insulates the body and cushions internal organs. Location: Below the dermis.
Dermis
Function: Contains tough connective tissue, hair follicles, and sweat glands. Location: Beneath the epidermis.
Nerve Endings
Function: Sense touch, temperature, pain, and pressure. Location: Throughout the dermis and epidermis.
Merkel Cells
Function: Sensory receptors for touch. Location: In the basal layer of the epidermis.
Epidermis
Function: Protects underlying tissues and provides a waterproof barrier. Location: Outermost layer of the skin.
Sweat Glands
Function: Helps to cool the body and excretes waste products. Location: Found throughout the dermis.
Langerhans' Cells
Function: Play a role in immune response by presenting antigens. Location: In the epidermis.
Meissner's Corpuscles
Function: Sensory receptors that respond to light touch. Location: In the dermal papillae, just below the epidermis.
Keratinocytes
Function: Produce keratin to provide strength and waterproofing. Location: In all layers of the epidermis.
Blood Vessels
Function: Provides nutrients and oxygen to the skin, removes waste products. Location: Throughout the dermis.
Sebaceous Glands
Function: Secrete sebum to lubricate and waterproof the skin and hair. Location: Associated with hair follicles.
Lymphatic Vessels
Function: Help in immune response and maintaining fluid balance. Location: Within the dermis.
Nails
Function: Protects the tips of fingers and toes. Location: At the end of each finger and toe.
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