Sparse lateral eyebrow Limited hair on end of eyebrow UMLS:C1857206 Abnormal sparseness of the eyebrows laterally. HP:0009923 Laterally sparse eyebrows Decreased density/number and/or decreased diameter of lateral eyebrow hairs. HP:0004521 HP:0005338 Laterally sparse eyebrow Lateral hypoplasia of eyebrows Sparse lateral eyebrows Lateral thinning of eyebrows Sparse eyebrow