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Understanding the Integumentary System: Skin, Hair, Nails, and More

Explore the complexities of the integumentary system, from the functions of skin, hair, and nails to conditions like ingrown nails and shingles. Learn about the system's relations with the nervous system and excretory system.

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Understanding the Integumentary System: Skin, Hair, Nails, and More

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  1. The Integumentary System By: Nathan Mooney & Justin Franklin

  2. Skin • Made of several layers: -Epidermis -Dermis -Hypodermis • Allows for the growing of hair • With-holds many glands secreting sweat and oils (which are often by-products of other bodily functions)

  3. Hair • Consists of 3 main parts: -Follicle -Root -Shaft • Made of dead skin cells • Covers almost all of the body • Helps protect the body from UV damage • Traps warm air from exiting the skin, creating an isolation of sorts

  4. Nails • Made of 3 parts: -Root -Body -Free edge • Also made of dead skin cells • Grow from the “Nail Matrix” • Give structure to the ends of fingers and toes

  5. Sudoriferous Glands • Found in the dermis • Commonly known as the “Sweat Gland” • 2 different types: -Eccrine glands: Secrete sweat straight to the surface of the skin -Apocrine glands: Send sweat to the surface via a duct

  6. Ingrown Nails (Onychocryptosis) • Caused by the ridged cutting & regrowing of toe/finger nails • Possible symptoms: -Ridged cutting of nails -Nails growing into/through the surface of the skin • Most common on the big toe • Can be self-treated if found early enough • May lead to infection, and even require slight surgery

  7. Shingles (Herpes Zoster) • Comes from dormant chickenpox virus. • Possible symptoms: -Headache -Dizziness -Sensitivity to light -Irritated skin • Forms as a painful/blistering rash • Lasts for 2-4 weeks

  8. Relationship with the Nervous System • Much of the nervous system’s receptors reside within the skin, allowing for it to take in lots of data on external conditions, such as temperature, pressure, or dangers. • With this information, the body is able to balance its-self accordingly and maintain homeostasis.

  9. Relationship with the Excretory System • While sweating, not only are you cooling down your body, youre also ridding of tiny amounts of waste with each drop.

  10. Citation • Taylor, T. (n.d.). Integumentary System . <i></i>. Retrieved May 11, 2014, from http://www.innerbody.com/anatomy/integumentary • What Does Shingles Look Like . (2013, August 21). <i></i>. Retrieved May 12, 2014, from http://www.healthline.com/health-slideshow/shingles-pictures • Gardner, S. (2014, March 14). Understanding ingrown toenails . <i></i>. Retrieved May 12, 2014, from http://www.webmd.com/skin-problems-and-treatments/understanding-ingrown-nail-basics • Shingles -Topic overview . (2012, December 18). <i></i>. Retrieved May 13, 2014, from http://www.webmd.com/skin-problems-and-treatments/shingles/shingles-topic-overview

  11. Citation • Interactions with other systems . (n.d.). <i></i>. Retrieved May 13, 2014, from https://sites.google.com/a/nths219.org/the-integumentary-system/interactions-with-other-systems

  12. Photo Credits • Image 1: WebMD: http://www.webmd.com/skin-problems-and-treatments/picture-of-the-skin\ • Image 2: http://www.bu.edu/phpbin/news-cms/news/?dept=1127&id=41487&template=226 • Image 3: http://www.jradfordstyle.com/archives/18 • Image 4: http://www.buyforhealth.com/nail/tag/yellow-toenails-treatment/ • Image 5: http://www.vetmed.vt.edu/education/curriculum/vm8054/Labs/Lab14/Lab14.htm • Image 6: http://www.siumed.edu/~dking2/intro/IN007b.htm • Image 7: http://www.siumed.edu/~dking2/intro/IN007b.htm

  13. Photo Credits • Image 8: http://www.npr.org/2011/01/17/132935345/few-opt-for-vaccine-to-prevent-painful-shingles • Image 9: http://www.healthline.com/health-slideshow/shingles-pictures • Image 10: http://www.spiritvoyage.com/blog/index.php/kundalini-yoga-for-the-nervous-system/ • Image 11: http://www.tutorvista.com/science/diagram-of-internal-organs

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