anatomy 2404 integumentary system

anatomy 2404 integumentary system - Integumentary System...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Integumentary System Intro A&P 2404
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Integumentary System Skin Skin is like the ideal coat a. Waterproof b. Stretchable (2.2 m 2 ) (~11 lbs) c. Washable d. e. Lasts a lifetime Hair (Keratinized protein secreted by cells) Nails (Hard keratinized protein)
Background image of page 2
Skin Functions Prevents dehydration Prevents bacterial & viral infection (chemical & physical barrier) Most substances cannot penetrate Regulates body temperature Vitamin D synthesis (Needed to absorb calcium in the digestive tract) Blood reservoir (Blood can be shunted to other organs in need e.g. skeletal muscles) Excretion – Water, salt, ammonia, urea, and uric acid are excreted in sweat Sensation and perception
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Lab model links: http://www.youtube.com/watch?v=d-IJhAW
Background image of page 4
hypodermis pili Hair root eccrine
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Epidermis Stratified squamous epithelium (replenished ~25-45 days) Five layers (From top to bottom) 1. Stratum corneum (Horny layer) “cornu” Greek for horn not what you are thinking!!! a.
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/15/2011 for the course BIOL 2404 taught by Professor Michaelharman during the Spring '10 term at Lone Star College.

Page1 / 23

anatomy 2404 integumentary system - Integumentary System...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online