1. Chapter 3: Integumentary System Professor Fowler
Medical Terminology
Chapter 3: Integumentary System
Professor Fowler

2. Word parts Albin/o: white Ichthy/o: dry/scaly Scler/o: hard Bi/o: life
Kerat/o: hard, horny
Seb/o: sebum (oil)
Cry/o: cold
Leuk/o: white
Trich/o: hair
Cutane/o: skin
Lip/o: fat
Vesic/o: vesicle
Cyan/o: blue
Melan/o: dark, black
Xer/o: dry
Derm/o, dermat/o
Myc/o: fungus
-derma: skin
Diaphor/o: excessive sweating
Necr/o: death
-opsy: to view
Onych/o: nail
-tome: instrument to cut
Electr/o: electricity
Pedicul/o: lice
Erythr/o: red
Allo- different
Phot/o: light
Hidr/o: sweat
Auto- Self
Py/o: pus
Hydr/o: water
Xeno- foreign
Rhytid/o: wrinkle

3. Signs and Symptoms Abrasion: “rug burn” Purulent: pus filled
Cyanosis: blue skin (pic)
Urticaria: hives (pic)
Diaphoresis: excessive
sweating
Ecchymosis: bruise (pic)
Hirsutism: excessive hair (pic)
Lesion: abnormality in skin
Pallor: pale
Petechiae: pinpoint red rash

4. Lesions Cyst: fluid filled sac Fissure: crack like
Macule: flat discoloration
Nevus: raised discoloration
Nodule: hardened cyst
Papule: small red area
Pustule: red area with pus
Ulcer: deterioration of skin
Vesicle: blister (on top of skin)
Wheal: hive

5. Pathology Acne: infected follicles (pic) Tinea: fungus infection
Albinism: condition of no color (pic)
Varicella: chicken pox (pic)
Alopecia: hair loss (pic)
Decubitus ulcer: bed sore/pressure sore
Eczema: red patches (pic)
Gangrene: tissue death (pic)
Laceration: jagged wound
Pediculosis: lice
Psoriasis: gray plaque patches (pic)

6. burns

7. Vocabulary Biopsy: to view living tissue
Debridement: cut away dead tissue

8. Abbreviations Bx: biospy C & S: culture and sensitivity
Decub: decubitus ulcer
HSV: herpes simplex virus (oral herpes)
I & D: incision and drainage
Subq, SC: subcutaneous
UV: ultraviolet

9. Integumentary System Composed of skin and accessory organs
Also know as integument and cutaneous
Largest organ - Weighs 20 pounds!!
Purposes: protection, sensory receptors, secrete sweat and oil, regulate temperature

10. The Skin Epidermis Dermis – true skin – corium
Dead except basal layer
Keratin: hard protein
Melanin: dark pigment
Dermis – true skin – corium
Collagen fibers
Subcutaneous – hypodermis
lipocytes

11. Accessory Organs Hair – figure 3.3 page 55 Nails – figure 3.4 page 55
Hair root
Hair shaft
Hair follicle
Nails – figure 3.4 page 55
Nail body
Nail bed
Nail root
Cuticle
Free edge
lunula

12. Accessory Organs Sebaceous Glands Sweat (Sudoriferous) Glands
Sebum (oil)
purpose
Sweat (Sudoriferous) Glands
Duct
Pore
Purpose
Types: Eccrine and Apocrine