1. A Highlight of Medical Terminology Sarah Czarnota The Integumentary System

2. Dermat/o: refers to the skin Combining: The root word dermat/o with the suffix –itis(inflammation) gives us: Dermatitis (inflammation of the skin) You might recognize other medical terminology that uses... The root word dermat/o: Dermatologist (doctor who studies the skin) Dermatology (branch of medicine dealing with the skin and its diseases) The suffix –itis: Arthritis (inflammation of the joints) Gingivitis (inflammation of the gums) Sinusitis (inflammation of the sinuses)

3. Melan/o: black Combining: The root word melan/o with the suffix –oma(tumor) gives us: Melanoma (black tumor) You might recognize other medical terminology that uses... The root word melan/o: Melanin (black/dark pigment that gives skin its color) Melanocyte (black/dark pigmented cell) The suffix –oma: Carcinoma (cancerous tumor) Blastoma (tumor in embryonic or immature cells)

4. -derma: refers to the skin Combining: The root word leuk/o (white) with the suffix –derma gives us: Leukoderma (white skin from loss of pigmentation) You might recognize other medical terminology that uses... The root word leuk/o: Leukocyte (white blood cell) Leukemia (too many white blood cells in the blood) The suffix –derma: Pachyderma (thick skin; like an elephant which is a pachyderm) Scleroderma (hardening of the skin) Erythroderma (red skin)

5. Onych(o): refers to the nail Combining: The root word onych/o with the suffix –phage/-phagia(eating/ingestion) gives us: Onychophagia (nail eating/biting) You might recognize other medical terminology that uses... The root word onych/o: Onychomycosis (fungal infection of the nail) Onycholysis (detachment of nail from nail bed) The suffix –phage/-phagia: Phagocytosis (cellular “eating”) Geophagy(eating earthy/soil-like substances)