| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
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| LRS | lactated Ringer solution; lateral recess stenosis; lateral recess syndrome; low rate of stimulation;... |
| LVN | lateral ventricular nerve; lateral vestibular nucleus; Licensed Visiting Nurse; Licensed Vocational ... |
| LIP | Lymphoid Interstitial Pneumonia |
| AEC | ankyloblepharon, ectodermal defects, and cleft lip [syndrome]; at earliest convenience; Atomic Energ... |
| small pudendal lip | One of two narrow longitudinal folds of mucous membrane enclosed in the pudendal cleft within the labia majora; posteriorly, they gradually merge into the labia majora and join to form the frenulum labiorum pudendi (fourchette); anteriorly, each labium divides into two portions which unite with those of the opposite side in front of the glans clitoridis to form the prepuce. Synonym: labium minus pudendi, small pudendal lip. (05 Mar 2000) |
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| depressor muscle of lower lip | <anatomy, muscle> Origin, anterior portion of lower border of mandible; insertion, orbicularis oris musculus and skin of lower lip; action, depresses lower lip; nerve supply, facial. Synonym: musculus depressor labii inferioris, depressor muscle of lower lip, musculus quadratus labii inferioris, musculus quadratus menti. (05 Mar 2000) |
| double lip | Congenital or acquired excess tissue on the inner mucosal aspect of the lip; may be a manifestation of Ascher's syndrome. (05 Mar 2000) |
| quadrate muscle of upper lip | Composed of three heads usually described as three separate muscles; they are the caput angulare or levator labii superioris alaeque nasi muscle; caput infraorbitale or levator labii superioris muscle; caput zygomaticum or zygomaticus minor muscle. Synonym: quadrate muscle of upper lip. (05 Mar 2000) |
| internal lip of iliac crest | The roughened inner margin of the crest that gives attachment to parts of the transversus abdominis, quadratus lumborum, and erector spinae muscles. Synonym: labium internum cristae iliacae. (05 Mar 2000) |
| elevator muscle of upper lip | <anatomy, muscle> Origin, maxilla below infraorbital foramen; insertion, orbicularis oris of upper lip; action, elevates upper lip; nerve supply, facial. Synonym: musculus levator labii superioris, caput infraorbitale quadrati labii superioris, elevator muscle of upper lip. (05 Mar 2000) |
| elevator muscle of upper lip and wing of nose | <anatomy, muscle> Origin, root of nasal process of maxilla; insertion, wing of nose and orbicularis oris muscle of upper lip; action, elevates upper lip and wing of nose; nerve supply, facial. Synonym: musculus levator labii superioris alaeque nasi, caput angulare quadrati labii superioris, elevator muscle of upper lip and wing of nose. (05 Mar 2000) |
| tubercle of upper lip | The slight projection on the free edge of the centre of the upper lip at the lower extent of the philtrum. Synonym: tuberculum labii superioris, procheilon, prochilon, tubercle of upper lip. (05 Mar 2000) |
| tympanic lip of limbus of spiral lamina | The lower, long periosteal extension of the limbus laminae spiralis osseae that rests on the basilar lamina of the spiral organ (of Corti). Synonym: labium limbi tympanicum laminae spiralis, tympanic lip of limbus of spiral lamina. Labium urethrae, one of the two lateral margins of the external urethral orifice of the female. (05 Mar 2000) |
| external lip of iliac crest | The roughened outer margin of the crest that gives attachment to the external oblique and latissimus dorsi muscles above and to the fasciae latae and the tensor fascia lata muscle below. Synonym: labium externum cristae iliacae. (05 Mar 2000) |
| upper lip | The muscular fold forming the superior border of the mouth. Synonym: labium superius oris. (05 Mar 2000) |
| large pudendal lip | One of two rounded folds of integument forming the lateral boundaries of the pudendal cleft. The labia majora are the female homolog of the scrotum. Synonym: labium majus pudendi, large pudendal lip. (05 Mar 2000) |
| frenulum of the lip | Frenulum of upper lip, frenulum labii inferioris et superioris; frenulum of the lower lip; frenulum of the upper lip; the folds of mucous membrane extending from the gingiva to the midline of the lower and upper lips, respectively. Synonym: frenulum labii inferioris, frenulum labii superioris. (05 Mar 2000) |
| lip | 1. One of the two fleshy folds which surround the orifice of the mouth in man and many other animals. In man the lips are organs of speech essential to certain articulations. Hence, by a figure they denote the mouth, or all the organs of speech, and sometimes speech itself. "Thine own lips testify against thee." (Jeb xv. 6) 2. An edge of an opening; a thin projecting part of anything; a kind of short open spout; as, the lip of a vessel. 3. The sharp cutting edge on the end of an auger. 4. <botany> One of the two opposite divisions of a labiate corolla. (b) The odd and peculiar petal in the Orchis family. See Orchidaceous. 5. <zoology> One of the edges of the aperture of a univalve shell. Lip bit, a pod auger. See Auger. Lip comfort, comfort that is given with words only. Lip comforter, one who comforts with words only. Lip labour, unfelt or insincere speech; hypocrisy. Lip reading, the catching of the words or meaning of one speaking by watching the motion of his lips without hearing his voice. Lip salve, a salve for sore lips. Lip service, expression by the lips of obedience and devotion without the performance of acts suitable to such sentiments. Lip wisdom, wise talk without practice, or unsupported by experience. Lip work. Talk. Kissing. Lip make a lip, to drop the under lip in sullenness or contempt. To shoot out the lip, to show contempt by protruding the lip. Origin: OE. Lippe, AS. Lippa; akin to D. Lip, G. Lippe, lefze, OHG. Lefs, Dan. Laebe, Sw. Lapp, L. Labium, labrum. Cf. Labial. Source: Websters Dictionary (01 Mar 1998) |
| lip and leg ulceration | An infectious disease of sheep characterised by crusted ulcers on the skin of the face, feet, and external genitalia; thought to be caused by the orf virus. Synonym: lip and leg ulceration. (05 Mar 2000) |