lip


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lip

 [lip]
1. the upper or lower fleshy margin of the mouth.
2. any liplike part; called also labium.
double lip redundancy of the submucous tissue and mucous membrane of the lip on either side of the median line.
glenoid lip a ring of fibrocartilage joined to the rim of the glenoid cavity.
Hapsburg lip a thick, overdeveloped lower lip that often accompanies Hapsburg jaw.

LIP

Acronym for lymphocytic interstitial pneumonia or lymphoid interstitial pneumonia. See: lymphocytic interstitial pneumonia.

lip

(lip), [TA]
1. One of the two muscular folds with an outer membrane having a stratified squamous cell epithelial surface layer that bound the mouth anteriorly.
See also: labium, labrum.
2. Any liplike structure bounding a cavity or groove.
See also: labium, labrum.
Synonym(s): labium (1) [TA]
[A.S. lippa]

lip

(lip)
1. the upper or lower fleshy margin of the mouth.
2. any liplike part; labium.

cleft lip  a congenital cleft or defect in the upper lip.
glenoid lip  a ring of fibrocartilage joined to the rim of the glenoid cavity.
Hapsburg lip  a thick, overdeveloped lower lip that often accompanies Hapsburg jaw.

lip

(lĭp)
n.
1. Anatomy
a. Either of two fleshy structures that surround the opening of the mouth in humans and other mammals.
b. In humans, the smooth brownish to reddish border of the lip.
2. A structure or part that encircles or bounds an orifice, as:
a. Anatomy A labium.
b. The margin of flesh around a wound.
c. Either of the margins of the aperture of a gastropod shell.
d. A rim, as of a vessel, bell, or crater.

lip′less adj.

lip

Etymology: AS, lippa
1 either the upper or lower fleshy structure surrounding the opening of the oral cavity.
2 See also labia. any rimlike structure bordering a cavity or groove.

LIP

lip

(lip) [TA]
1. One of the two muscular folds that encircle the mouth anteriorly; each has an outer mucosa with a stratified squamous epithelial surface layer.
2. Any liplike structure bounding a cavity or groove.
Synonym(s): labium (1) [TA] .
[A.S. lippa]

lip

  1. (of an embryonic BLASTOPORE) the rim of the blastopore.
  2. (of a flower perianth) a group of perianth segments united to a greater or lesser extent, to form a distinct grouping thus divided from the rest of the perianth.
  3. (of vertebrates) one of two fleshy parts (upper and lower) surrounding the mouth.

lip

(lip) [TA]
1. One of two muscular folds with outer membrane having a stratified squamous cell epithelial surface layer around mouth.
2. Any liplike structure bounding a cavity or groove.
[A.S. lippa]

lip,

n 1. either the upper or lower structure surrounding the opening of the oral cavity.
2. a rimlike structure bordering a cavity or groove.
lip biting,
n an oral habit in which either lip is placed between the teeth with more or less forcible application of the teeth to the lips.
lip, cleft,
n See harelip.
lip, congenital cleft,
n See harelip.
lip, double,
n a redundant fold of tissue on the mucosal side of the upper lip that gives the appearance of a second lip and that may become accentuated by habitually being sucked between the teeth.
lip line, high,
n the greatest height to which the lip is raised in normal function or during the act of smiling broadly.
lip line, low,
n the lowest position of the lower lip during the act of smiling or voluntary retraction. The lowest position of the upper lip at rest.
lip pits (congenital lip fistulas),
n.pl the congenital depressions, usually bilateral and symmetrically placed, on the vermilion portion of the lower lip. These pits may be circular or may be present as a transverse slit. The depression represents a blind fistula that penetrates downward into the lower lip to a depth of 0.5 to 2.5 cm. They often exude viscid saliva on pressure.
lip retractor,
n a device to retract the lips when taking intraoral photographs.
lip, structures of,

lip

1. the upper or lower fleshy margin of the mouth.
2. any fleshy boundary; labium.

lip droop
an unnatural hanging of the lower lip, which is not used during prehension and mastication; there is an accompanying lack of sensitivity of the part. Unilateral droop is usually an indication of facial paralysis; bilateral droop occurs in many conditions of general paralysis, e.g. botulism.
lip fold dermatitis
see fold dermatitis.
lip-leg ulceration
a disease of sheep. See ulcerative dermatosis.
lip philtrum
the vertical median groove or fissure in the upper lip of some mammals.
lip twitch
see twitch.
lip ulcer
see eosinophilic ulcer.
References in classic literature ?
He closed his eyes and imagined that the red young lips of Helen White touched his own lips.
It is right, at this juncture, that they should both hear from my own lips how much I desire to serve them.
You see, Elam, in spite of what my lips said, my mind was made up then.
Her eyes softened upon him, and a kind answer was on her lips, when a hoarse shout, with the clatter of arms and stamping of steeds, rose up from the bailey below.
He did not look up to her, and she could see the roguish smile that curled on his lips.
Laurie drew his hand across his eyes, but could not speak till he had subdued the choky feeling in his throat and steadied his lips.
His curling lips took a new twist upward; he tucked his umbrella briskly under his arm; and produced from the breast of his coat a large old-fashioned black pocketbook.
Her flowerlike lips touched the withered cheek and warmed its frost.
Give me some water, my lips are dry, and I shall try to tell you.
Milady frowned slightly; a scarcely visible cloud passed over her brow, and so peculiar a smile appeared upon her lips that the young man, who saw and observed this triple shade, almost shuddered at it.
Lovely as the Greek girls of Cyprus or Chios, Mercedes boasted the same bright flashing eyes of jet, and ripe, round, coral lips.
Grandfather was looking straight at the lion's head, and could not be mistaken in supposing that it moved its lips.