skin abrasion

abrasion anatomical anatomy artery background blood brown care cell clean corpuscle cross cure dermatologist dermatology dermis disease doctor drawing epidermis erector fat fiber follicle gland glands grow growth hair health human illustration isolated layer medical melanoma muscle nerve new old pigment plastic pore procedure receptor red science scientific sebaceous section sense sensory shaft skin stratum subcutaneous sun sunburn surgery sweat tissue touch treat vector vein vessel vessels wrinkle wrinkles yellow youth