Decreased number of hairs per unit area of skin of the scalp. [ http://www.ncbi.nlm.nih.gov/pubmed/28061825 http://www.ncbi.nlm.nih.gov/pubmed/19125436 ]
Synonyms: Sparse scalp hair Scalp hypotrichosis Hypotrichosis on scalp Decreased number of scalp follicles Reduction in the number of scalp follicles Thinning scalp hair Reduced amount of scalp hair Reduced/lack of hair on scalp
Term information
- UMLS:C1873509
- UMLS:C1857042
Hypotrichosis should not be used as a synonym as, formally, it means underdevelopment of the hair. No normal values for number of hairs per unit area exist.
HP:0004775
HP:0002233
HP:0004774
HP:0004542
HP:0004772
HP:0004541
HP:0004782
HP:0004526
HP:0002556
HP:0004534
Term relations
- has part some (
sparse and
characteristic of some hair of head and
has modifier some abnormal)