small lunulae or half-moons at fingernails with longitudinal lines of southeast asian, young man. on white

abnormal asian background beaus bed clean clues cut cuticle defect defective disease diseased finding finger fingernail fingernails fingers half health healthy isolated lines longitudinal lunula lunulae male man marks moon moons nail nails normal pit pits pitting plate problem psoriasis ridges rough sign small spots surface symptom uneven unhealthy vertical white