| LMF | left middle finger; lymphocyte mitogenic factor |
|---|---|
| LML | large and medium lymphocytes; left mediolateral; left middle lobe |
| M/3 | middle third |
| MCA | major coronary artery; Maternity Center Association; medical care administration; methylcholanthrene... |
| MCAO | middle cerebral artery occlusion |
| eye-ear plane | A standard craniometric reference plane passing through the right and left porion and the left orbitale; drawn on the profile radiograph or photograph from the superior margin of the acoustic meatus to the orbitale. Synonym: auriculo-infraorbital plane, eye-ear plane, Frankfort horizontal plane, Frankfort plane, infraorbitomeatal plane. (05 Mar 2000) |
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| lion's ear | <botany> A name given in Western South America to certain plants with shaggy tomentose leaves, as species of Culcitium, and Espeletia. Source: Websters Dictionary (01 Mar 1998) |
| lop-ear | Congenital deformity of the external ear, with poor development of helix and anthelix. Synonym: bat ear. (05 Mar 2000) |
| low-set ear | An ear positionned below its normal location. Classified as a minor anomaly. Technically, the ear is low-set when the helix (of the ear) meets the cranium at a level below that of a horizontal plane through both inner canthi (the inside corners of the eyes). The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation. (12 Dec 1998) |
| accessory meningeal branch of middle meningeal artery | <anatomy, artery> A branch of either the middle meningeal or maxillary artery in the infratemporal fossa and passing superiorly through the foramen ovale to supply the trigeminal ganglion, dura mater and inner table of bone. Synonym: ramus meningeus accessorius arteriae meningeae mediae. (05 Mar 2000) |
| anastomotic branch of middle meningeal artery to lacrimal artery | <anatomy, artery> A branch of the middle meningeal artery arising in the cranial cavity which runs anteriorly through the superior orbital fissure to anastomose with the lacrimal artery. See: orbital branch of middle meningeal artery. Synonym: ramus anastomoticus arteriae meningeae mediae cum lacrimali. (05 Mar 2000) |
| parietal branch of middle meningeal artery | <anatomy, artery> Smaller terminal branch (with frontal branch) of middle meningeal artery supplying posterior portion of lateral and superior dura and cranium. Synonym: ramus parietalis arteriae meningeae mediae. (05 Mar 2000) |
| ceratopharyngeal part of middle pharyngeal constrictor | See: middle constrictor muscle of pharynx. Synonym: pars ceratopharyngea musculi constrictoris pharyngis medii. (05 Mar 2000) |
| right middle lobe syndrome | <radiology> Controversial, associated with asthma, cough, wheezing, recurrent pneumonia, XR findings: total or partial RML atelectasis, with or without bronchial narrowing (12 Dec 1998) |
| groove for middle temporal artery | <anatomy, artery> A vertical groove located above the external acoustic meatus on the external surface of the squamous part of the temporal bone. Synonym: sulcus arteriae temporalis mediae, sulcus for middle temporal artery. (05 Mar 2000) |
| petrosal branch of middle meningeal artery | <anatomy, artery> Petrous branch of middle meningeal artery; first intracranial branch of middle meningeal artery; anastomosis: stylomastoid artery via hiatus of facial canal. Synonym: ramus petrosus arteriae meningeae mediae. (05 Mar 2000) |
| chondropharyngeal part of middle pharyngeal constrictor | See: middle constrictor muscle of pharynx. Synonym: pars chondropharyngea musculi constrictoris pharyngea medii. (05 Mar 2000) |
| middle | 1. Equally distant from the extreme either of a number of things or of one thing; mean; medial; as, the middle house in a row; a middle rank or station in life; flowers of middle summer; men of middle age. 2. Intermediate; intervening. "Will, seeking good, finds many middle ends." (Sir J. Davies) Middle is sometimes used in the formation of selfexplaining compounds; as, middle-sized, middle-witted. Middle Ages, the period of time intervening between the decline of the Roman Empire and the revival of letters. Hallam regards it as beginning with the sixth and ending with the fifteenth century. Middle class, in England, people who have an intermediate position between the aristocracy and the artisan class. It includes professional men, bankers, merchants, and small landed proprietors "The middle-class electorate of Great Britain." (M. Arnold) Middle distance. See Voice. Middle watch, the period from midnight to four A. M.; also, the men on watch during that time. Middle weight, a pugilist, boxer, or wrestler classed as of medium weight, i. E, over 140 and not over 160 lbs, in distinction from those classed as light weights, heavy weights, etc. Origin: OE. Middel, AS. Middel; akin to D. Middel, OHG. Muttil, G. Mittel. See Mid. Source: Websters Dictionary (01 Mar 1998) |
| middle atlantoepistrophic joint | A pivot synovial joint between the dens of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas. Synonym: articulatio atlantoaxialis mediana, Cruveilhier's joint, middle atlantoepistrophic joint. (05 Mar 2000) |
| middle axillary line | A vertical line intersecting a point midway between the anterior and posterior axillary folds or lines. Synonym: linea axillaris media, linea medio-axillaris, middle axillary line. (05 Mar 2000) |