The term "sulcus nasolabialis" is a medical term used to describe the groove or indentation that runs between the nose and the upper lip. The IPA phonetic transcription of this term would be /ˈsʌlkəs ˈneɪzoʊləˈbaɪəlɪs/. The spelling of the word "sulcus nasolabialis" reflects the Latin roots of the term, with "sulcus" meaning "groove" or "furrow" and "nasolabialis" referring to the area between the nose and the lips. It is important to use correct spelling and accurate terminology when discussing medical conditions and treatments.
The sulcus nasolabialis, also known as the nasolabial fold or smile line, is a specific anatomical feature located on the face. It refers to the groove or crease that extends from the side of the nose down to the corner of the mouth on each side. The term "sulcus" is derived from Latin, meaning a groove or furrow, while "nasolabialis" combines the words "nasal" and "labial," referring to the nose and lips, respectively.
The sulcus nasolabialis is a natural and prominent feature of the face, present in both men and women. It separates the cheek from the upper lip and tends to deepen and become more pronounced with age. This visible crease is formed due to the underlying facial muscles, fat distribution, and the effects of gravity. It serves as a demarcation line between the upper lip and the surrounding cheek area.
The sulcus nasolabialis has cultural and aesthetic significance, as it is often associated with facial expressions linked to emotions such as smiling, laughter, and sadness. In some individuals, particularly those with more prominent folds, it may be viewed as a desirable facial feature, contributing to perceived attractiveness or character. In cosmetic medicine, there are various treatments available, such as fillers or surgery, to address concerns related to the depth or appearance of the nasolabial folds.
Nasolabial furrow, the furrow between the ala nasi and the lip.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "sulcus nasolabialis" is derived from Latin. Here's a breakdown of the etymology:
1. Sulcus: This Latin noun refers to a groove, furrow, or trench. It comes from the verb "sulcare", meaning "to plow" or "to furrow".
2. Naso: This Latin adjective means "of the nose". It is derived from the Latin noun "nasus", which translates to "nose".
3. Labialis: This Latin adjective pertains to the lips. It comes from the Latin noun "labium", which means "lip".
When combined, "sulcus nasolabialis" refers to the groove or furrow that runs between the nose (nasus) and the lips (labium). This anatomical term is used to describe the crease or wrinkle commonly known as the nasolabial fold.