Medical Terminology Lecture 3-Dr.Rafal

Integumentary System
Skin
• protects against bacterial invasion
• reservoir for food and water
• sensory receptor
• synthesis of vitamin D
• regulate body temperature and water
• prevents dehydration




cutane/, dermat/, derm/
Skin (WR)
Epi – dermis
Above - skin
Prefix - WR
• Outer most epithelial layer, has keratin layer, with no blood vessels or nerve supply

Dermis
skin
WR
• Living Tissue, has capillaries, lymphatics, nerve endings, hair follicles & glands

Hypo – dermis / Sub - cutaneous
Below - skin Below - skin
Prefix - WR Prefix - WR
• connective tissue layer, specializes in formation of fat

adip/, lip/, steat/
Fat (WR)
• Adipo - cyte. (fat (WR) – cell(WR))
• Lipo - lysis (fat (WR) – removing or melting (Suffix))
• Steato - rrhea (fat (WR) – discharge (Suffix))


hidr/, sudor/
sweat (WR)

• Hyper – hidr – osis
Excessive (prefix) – sweating (WR) - abnormal condition (suffix)
• Sudor - iferous
Sweat (WR) – yielding (suffix)

ichthy/
dry, scaly (WR)
• Ichthy - osis: Dry skin (WR) – abnormal condition (suffix)
• Several dermatological condition characterized by non-inflammatory dryness and scaling of the skin, commonly associated with other abnormalities of lipid metabolism.

Kerat/
Horny or hard tissue (WR)
• Kerat –osis
Hard tissue (WR) - abnormal condition (suffix)
Overgrowth and Thickening of skin

myc/
Fungus (WR)
• Dermato - myc - osis
Skin (WR) - Fungus (WR) - abnormal condition (suffix)
fungal infection of the skin

onych/
Nail (WR)
• Onycho - malacia
Nail (WR) - softening(suffix)
abnormal softening of the nails

melan/
Black (Prefix)
• Melano - cyte
Black (Prefix) - cell (WR)
cell responsible for coloration of skin

pil/, trich/
Hair (WR)
• Pilo - cystic
Hair (WR) - Cyst (WR)
Dermoid cyst containing hair



• Tricho - myc - osis
Hair (WR) - Cyst (WR) - abnormal condition (suffix)
Fungal infection of the hair


scler/
Hardening of skin (Prefix)
• Sclero - derma
Hardening (Prefix) - Skin (WR)
abnormal hardening of the skin caused by formation of new collagen

Xer/
dry (WR)
• Xero - derma
Dry (WR) - Skin (WR)
excessive roughness and dryness of the skin caused by

-/therapy
Treatment (Prefix)
• Photo - therapy
Light (Prefix) - treatment (WR)
using the light to eliminate bilirubin in the blood (in jaundice of Baby) .

erythr/
red colour (Prefix)
• Erythro - derma
Red (Prefix) - Skin (WR)
redness of the skin

seb/
oil (WR)
• Sebo - rrheic Dermat - itis
Oil (WR) - discharge (suffix) Skin (WR) - Inflammation (suffix)
inflammatory skin condition causes scales on oily areas

sqaum/
scale like (WR)
• Squam - ous cell carcin - oma
• Scale like (WR) - relating to (suffix) malignancy in epithelium(WR) - Tumor(suffix)
malignant tumour arises from epidermis (keratinising cells)