Chapter 3- The Intergumentary System- Dermatology 3.1

Integumentary System

The Skin

Roots for skin

cutaneo/dermo

outer most layer that is visible

epidermis

Describe epidermis

made of large cells that looks like scales of a fish under the microscope

Scaly apperance

Squamous

Deeper layer under epidermis

dermis

Dermis Charteristics

Thicker than the epidermis, fewer cells and more thic fibers to give skin strength and flexablity

Home to hair follicles, nerves and glands

Hair follicles

Root of ur hair

Roots: pilo/tricho

Purpose: Follicles anchor the hair to the skin and provide nerves in ur skin make it the largest sensory organ in ur body

2 types of glands

Sweat and sebacous gland

Sweat glands

Roots: hidro

Purpose: relases sweat to RID body waste AND cool the body

Sebaceous glands

Roots: sebaceo

Purpose: Secrete oil as a natural noisturizer for skin and hair

Fat

Roots: adip / o, lip / o, steat / o

Skin

Roots: cutane/ o, /derm/ o, / dermat/o

Hair

Roots: pil/ o, trich/o

Sweat

Roots: hidr/o

Scale

Roots: squam/o

nail

Roots: onych/o, ungu/o

oil

Roots: seb/o, sebace/o

Hidden

Roots: crypt/o

Hard, horny

Roots: kerat/o

Dry

Roots:xer/o

Yellow

Roots: xanth/o

red

Roots: erythr/o

white

Roots: leuk/o, alb/o

black

Roots: melan/o