| LFT | latex fixation test; latex flocculation test; left fronto-transverse [fetal position]; liver functio... |
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| CCL | carcinoma cell line; certified cell line; Charcot-Leyden crystal; continuing care level; critical ca... |
| LCL | Levinthal-Coles-Lillie [body]; lower confidence limit; lower control limit; lymphoblastoid cell line... |
| MCL | maximum containment laboratory; medial collateral ligament; midclavicular line; midcostal line; mini... |
| LAL | left axillary line; Limulus amebocyte lysate; low air loss; lysosomal acid lipase |
| 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) |
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| 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) |
| lateral lip of linea aspera | The lateral margin of the linea aspera of the femur that gives attachment to the lateral intermuscular septum and the short head of the biceps femoris muscles. Synonym: labium laterale lineae asperae. (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) |
| lip bumper | <dentistry> A lip bumper is used to push the molars on your lower jaw back to create more space for other teeth. The lip bumper consists of an arch wire which is attached to a moulded piece of plastic. You mount the arch wire in the buccal tubes on your lower jaw, and plastic piece rests against your lips. When you eat or talk, you push the plastic piece back which pushes on your molars. That pushes your molars back. (08 Jan 1998) |
| lip pits | Malformations of the lip seen in unilateral or bilateral depressions or fistulae. May be hereditary or associated with cleft lip and/or palate. (05 Mar 2000) |
| lip reflex | A pouting movement of the lips provoked in young infants by tapping near the angle of the mouth. (05 Mar 2000) |