Tubercle of the upper lip

The tubercle of the upper lip is an anatomical protuberance called a tubercle, located in the center of the human upper lip.^[1]

Study

A study published in June 2011 claimed that the greater the prominence of a female's tubercle of the upper lip, the likelier she is to experience vaginal orgasm.^[2]

References

Further reading

• Yoshimura, Y; Nakajima, T; Yoneda, K (1991). "Propeller flap for reconstruction of the tubercle of the upper lip". British journal of plastic surgery 44 (2): 113–6. PMID 2018895. 
• Peck, Stephen Rogers (1982). "The Lips". Atlas of Human Anatomy for the Artist. Oxford: Oxford University Press. p. 170. ISBN 978-0-19-503095-2. http://books.google.com/books?id=kTathH_rVI8C&pg=PA170. 
• Latham, RA; Deaton, TG (1976). "The structural basis of the philtrum and the contour of the vermilion border: A study of the musculature of the upper lip". Journal of anatomy 121 (Pt 1): 151–60. PMC 1231826. PMID 1254526. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1231826.