Nasolabial fold

The nasolabial folds, commonly known as "smile lines"[1] or "laugh lines",[2] are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth. They are defined by facial structures that support the buccal fat pad.[3] They separate the cheeks from the upper lip. The term derives from Latin nasus for "nose" and labium for "lip". Nasolabial fold is a misnomer, however. The proper anatomical term is melolabial fold, meaning the fold between the cheek and lip.

Nasolabial fold
Human face, with left nasolabial fold marked in black ellipse
Identifiers
MeSHD060052
TA98A01.2.01.017
TA2220
FMA75018
Anatomical terminology

Cosmetology issues

With ageing the fold may grow in length and depth.[4] Dermal fillings may be used to replace lost fats and collagen in this facial area.[5]

See also

References
  1. Burgess, edited by Cheryl M. (2005). Cosmetic Dermatology. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg. p. 106. ISBN 9783540273332. Retrieved 20 February 2015.CS1 maint: extra text: authors list (link)
  2. Vennemeyer M. D., Michael D (22 December 2010). Plastic Surgery Myths Dispelled. Xlibris Corporation. p. 35. ISBN 9781456835958. Retrieved 20 February 2015.
  3. Pogrel, MA; Shariati, S; Schmidt, B; Faal, ZH; Regizi, J (1998). "The surgical anatomy of the nasolabial fold". Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 86 (4): 410–5. doi:10.1016/s1079-2104(98)90365-1. PMID 9798223.
  4. Wulc, Allan E.; Sharma, Pooja; Czyz, Craig N. (2010). "The Anatomic Basis of Midfacial Aging". Midfacial Rejuvenation: 15–28. doi:10.1007/978-1-4614-1007-2_2. ISBN 978-1-4614-1006-5.
  5. "Why your face ages and what you can do". www.health.harvard.edu/. Harvard Health Publications. 14 September 2010. Retrieved 23 February 2015.


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