tubercle of upper lip

(redirected from prochilon)

tu·ber·cle of up·per lip

[TA]
the slight projection on the free edge of the center of the upper lip at the lower extent of the philtrum.

tu·ber·cle of up·per lip

(tūbĕr-kĕl ŭpĕr lip) [TA]
Slight projection on free edge of center of upper lip at lower extent of philtrum.