1. Roots & Lesions

2. Pathology roots & suffixes Ung/o= nail Py/o = pus Scler/o= hard Rhytid/o= wrinkle Leuk/o= white -rrhea = discharge -ectomy=surgical removal -genic= producing -phagia=eating -ia= infection

3. Myc/o= fungus, mycosis Tinea capitas- ringworm Tinea pedis- athlete’s foot

4. Figure 7-14 Tinea pedis SPL/Photo Researchers, Inc.

5. Figure 7-6 Types of skin lesions.

6. Pathology – Surface Lesions cystfluid-filled sac under skin, not red

7. Pathology- skin lesion fissurecracklike lesion on skin

8. Pathology – Surface Lesions lacerationtorn or jagged wound

9. Pathology – Surface Lesions maculeflat, discolored spot on skin, melanin spot

10. Comedo- hardened sebum in follicle, acne

11. Acne- infection of sebaceous glands & hair follicles creating papules & pustules. papule small, solid raised spot smaller than 0.5 cm, red pustule raised spot on skin containing pus, red/white top

12. Table 7-1 Comparison of Acne Vulgaris and Acne Rosacea

13. Pathology – Surface Lesions vesiclesmall, fluid-filled, raised spot; blister Figure 7-13 Shingles Gill/Custom Medical Stock Photo, Inc.

14. Pathology of the Skin abscesscollection of pus in skin

15. wheal small, round, swollen area; typical of allergic skin reaction

16. Figure 7-11 Decubitus ulcer Custom Medical Stock Photo, Inc. ulceropen sore in skin