includes the skin and its accessory organs

includes the skin and its accessory organs - Integumentary...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Integumentary System * includes the skin and its accessory organs, such as hair, nails, glands, and the various specialized receptors. * The largest organ in the body. . * has a area of about 22 square feet * Epidermis is replaced every 15-30 days * Dermatology is the medical subspecialty that deals with skin disorders. Integumentary System (cont) Consist of two principal parts * epidermis- the outer thinner portion composed of the epithelium * dermis- the inner thicker portion composed of connective tissue to which the epidermis is attached. Subcutaneous layer (hypodermis)- the layer beneath the dermis which attaches the dermis the underlying structures. It consist of adipose tissue and areolar connective tissue. Integumentary System Functions * temperature regulation * sweat evaporation when hot * vascular constriction when cold * Protection * provides barrier from microorganisms, dehydration, and UV radiation * Sensation * has abundant nerve endings that sense for pain, touch, temperature
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

includes the skin and its accessory organs - Integumentary...

This preview shows document pages 1 - 2. Sign up to view the full document.

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