quiz 2- vocab Flashcards
the visible reddish portion of each lip
mucous membranes
the tiny, dipping fullness on the midline of the upper mucous membrane
medial lobe
the slit formed by contact of the free margins of the upper and lower mucous membrane; has the form of a classic hunting bow
line of closure
the line of color difference on each mucous membrane which the exposed (dry) part forms with the internal (moistened) part in normal contact; not visible when the lips are closed
weather line
the skin part of the lip, extending superiorly and laterally from the attached (color) margin of the mucous membrane
upper integumentary lip
the small angular area between the wing of the nose and the cheek (nasolabial fold)
nasal sulcus
the shallow vertical groove on the midline of the upper integumentary lip between the column nasi and the upper mucous membrane
philtrum
the skin part of the lip receding inferiorly from the attached (color) margin of the lower mucous membrane to the top and side of the chin
lower integumentary lip
the juncture of the lower integumentary lip and top of the chin; may exhibit a furrow
labiomental sulcus
the central and two lateral surface places of each integumentary lip and mucous membrane; bilaterally repeat the horseshoe curvature of underlying structures
surface planes
the oblique eminence; caused by muscles at each end of the line of closure; begins on the upper integumentary lip , medial to the corner
angulus oris eminence
the small groove in the angels oris eminence at its juncture with the end of the line of closure
angulus oris sulcus
the fine linear tracings running vertically on the mucous membranes
vertical lines
the furrows of age, extending vertically on the mucous membranes and integumentary lips
labial sulci
