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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

Ludwig, Karl
<person> German anatomist and physiologist, 1816-1895. ... See: depressor nerve of Ludwig, Ludwig's ganglion, Ludwig's labyrinth, Ludwig's nerve, Ludwig's stromuhr. ... (05 Mar 2000) ...

Ludwig, Kurt
<person> German anatomist, *1922. ... See: Klinger-Ludwig acid-thionin stain for sex chromatin. ... (05 Mar 2000) ...

Ludwig, Wilhelm Friedrich von
<person> German surgeon, 1790-1865. ... See: Ludwig's angina. ... (05 Mar 2000) ...

ludwig's angina
A bacterial infection of the floor of the mouth (sublingual space). May result in inability to swallow or speak. In advanced cases breathing may be impossible. Can be seen as a complication of a dental infection or procedure. ... (27 Sep 1997) ...

Ludwig's angle
Synonym for sternal angle ... The angle between the manubrium and the body of the sternum at the manubriosternal junction. Marks the level of the second costal cartilage (rib) for counting ribs or intercostal spaces. Denotes level of aortic arch, bifurcation of trachea, and T4/T5 intervertebral disc. ... Synonym: angulus sterni, Louis' angle, Ludwig' …

Ludwig's ganglion
A small collection of parasympathetic nerve cells in the interatrial septum. ... (05 Mar 2000) ...

Ludwig's labyrinth
Synonym for convoluted part of kidney lobule ... Proximal and distal convoluted tubules and the associated renal corpuscles supplied by branches of the interlobular arteries. ... Synonym: labyrinthus, pars convoluta lobuli corticalis renis, labyrinth, Ludwig's labyrinth, renal labyrinth. ... (05 Mar 2000) ...

Ludwig's nerve
Synonym for aortic nerve ... <anatomy, nerve> A branch of the vagus which ends in the aortic arch and base of the heart; composed entirely of afferent fibres; its stimulation elicits a brainstem reflex which causes slowing of the heart, dilation of the peripheral vessels, and a fall in blood pressure. ... Synonym: Cyon's nerve, depressor nerve …

Luebering, J
<person> ... See: Rapoport-Luebering shunt. ... (05 Mar 2000) ...

Luer
German instrument maker, +1883. ... See: Luer syringe, Luer-Lok syringe. ... (05 Mar 2000) ...

Luer syringe
A glass syringe with a metal tip and locking device to secure the needle; used for hypodermic and intravenous purposes. ... Synonym: Luer-Lok syringe. ... (05 Mar 2000) ...

Luer-Lok syringe
Synonym for Luer syringe ... A glass syringe with a metal tip and locking device to secure the needle; used for hypodermic and intravenous purposes. ... Synonym: Luer-Lok syringe. ... (05 Mar 2000) ...

lues venerea
Synonym for syphilis ... <microbiology> A sexually transmitted disease caused by the spirochete, Treponema pallidum. May also be acquired prenatally (foetal infection). ... (27 Sep 1997) ...

luetic
Syphilitic: affected with, caused by or pertaining to syphilis. ... (18 Nov 1997) ...

luetic mask
A dirty brownish yellow pigmentation, blotchy in character, resembling that of chloasma, occurring on the forehead, temples, and sometimes the cheeks in patients with tertiary syphilis. ... (05 Mar 2000) ...

Luft, John
<person> U.S. Histologist, *1927. ... See: Luft's potassium permanganate fixative. ... (05 Mar 2000) ...

Luft, Rolf
<person> 20th century Swedish endocrinologist. ... See: Luft's disease. ... (05 Mar 2000) ...

Luft's disease
A metabolic disease due to relative uncoupling of phosphorylation in skeletal muscle causing myopathy and general hypermetabolism; a mitochondial myopathy. ... (05 Mar 2000) ...

lug
1. The ear, or its lobe. ... 2. That which projects like an ear, especially. That by which anything is supported, carried, or grasped, or to which a support is fastened; an ear; as, the lugs of a kettle; the lugs of a founder's flask; the lug (handle) of a jug. ... 3. <machinery> A projecting piece to which anything, as a rod, is attached, or a …

Lugol, Jean
<person> French physician, 1786-1851. ... See: Lugol's iodine solution. ... (05 Mar 2000) ...

Lugol's iodine solution
An iodine-potassium iodide solution used as an oxidizing agent, for removal of mercurial fixation artifacts, and also in histochemistry and to stain amoebas. ... (05 Mar 2000) ...

Lukes-Collins classification
A classification of lymphomas according to the immunologic nature of the cell of origin, based on histologic and clinical data. ... (05 Mar 2000) ...

LUL
<abbreviation> Left upper lobe (of lung). ... (05 Mar 2000) ...

luliberin
A decapeptide hormone from the hypothalamus that stimulates the anterior pituitary to release both follicle-stimulating hormone and luteinizing hormone. ... Synonym: luteinizing hormone-releasing hormone. ... Origin: Luteinizing hormone + L. Libero, to free, + -in ... (05 Mar 2000) ...

lumbago
<symptom> Pain in the lumbar region. ... Origin: L. Lumbus = loin ... (18 Nov 1997) ...

lumbar
<anatomy> Pertaining to the loins, the part of the back between the thorax and the pelvis. ... (18 Nov 1997) ...

lumbar appendicitis
A retrodisplaced appendix in the lumbar region. ... (05 Mar 2000) ...

lumbar artery
<anatomy, artery> Origin, abdominal aorta; one of four or five pairs; distribution, lumbar vertebrae, muscles of back, abdominal wall; anastomoses, intercostal, subcostal, superior and inferior epigastric, deep circumflex iliac, and iliolumbar. ... Synonym: arteria lumbalis. ... (05 Mar 2000) ...

lumbar branch of iliolumbar artery
<anatomy, artery> Terminal branch of iliolumbar artery (with iliac branch) which ascends to supply psoas major and quadratus lumborum muscles; anastomosis: fourth lumbar artery. ... Synonym: ramus lumbalis arteriae iliolumbalis. ... (05 Mar 2000) ...

lumbar cistern
Enlargement of subarachnoid space between inferior end of spinal cord (vertebral level L-2) and inferior end of subarachnoid space or dura mater (vertebral level S2); occupied by the dorsal and ventral roots of lumbosacral spinal nerves (which constitute the cauda equina), the filum terminal, and cerebrospinal fluid. Site for lumbar puncture and sp …

lumbar cord
That part of the cord that consists of the five lumbar segments and gives rise to the five pairs of lumbar nerves. ... Synonym: pars lumbalis medullae spinalis. ... (05 Mar 2000) ...

lumbar disk removal
A surgical procedure which is designed to relieve pressure on the spinal cord or nerve root that is being caused by a slipped or herniated disk in the lumbar spine. This procedure is also used in the treatment of spinal stenosis. This procedure includes removal of a portion of the bone comprising a vertebra. Recovery is generally 7-10 days. An alte …

lumbar enlargement
A spindle-shaped swelling of the spinal cord beginning at the level of the tenth thoracic vertebra and tapering into the medullary cone, with maximum thickness opposite the last thoracic vertebra, consequential to the innervation of the lower limb. ... Synonym: intumescentia lumbalis, lumbar enlargement of spinal cord. ... (05 Mar 2000) ...

lumbar enlargement of spinal cord
Synonym for lumbar enlargement ... A spindle-shaped swelling of the spinal cord beginning at the level of the tenth thoracic vertebra and tapering into the medullary cone, with maximum thickness opposite the last thoracic vertebra, consequential to the innervation of the lower limb. ... Synonym: intumescentia lumbalis, lumbar enlargement of spinal co …

lumbar flexure
The normal ventral curve of the vertebral column in the lumbar region. ... (05 Mar 2000) ...

lumbar ganglia
Four or more ganglia on the medial border of the psoas major muscle on either side; they form, with the sacral and coccygeal ganglia and their interganglionic rami, the abdominopelvic sympathetic trunk. ... Synonym: ganglia lumbalia. ... (05 Mar 2000) ...

lumbar hernia
A protrusion between the last rib and the iliac crest where the aponeurosis of the transversus muscle is covered only by the latissimus dorsi. ... (05 Mar 2000) ...

lumbar iliocostal muscle
Synonym for iliocostalis lumborum ... <anatomy, muscle> Origin, with erector spinae; insertion, the angles of lower six ribs; action, extends, abducts, and rotates lumbar vertebrae; nerve supply, dorsal branches of thoracic and lumbar nerves. ... Synonym: musculus iliocostalis lumborum, lumbar iliocostal muscle, musculus sacrolumbalis. ... (05 M …

lumbar interspinal muscle
Synonym for lumbar interspinales muscles ... Origin, superior margin of lumbar spinous process; insertion, inferior margin of next superior spinous process; action, extends lumbar vertebrae; nerve supply, dorsal primary rami of lumbar spinal nerves. ... Synonym: musculus interspinalis lumborum, lumbar interspinal muscle. ... (05 Mar 2000) ...

lumbar interspinales muscles
Origin, superior margin of lumbar spinous process; insertion, inferior margin of next superior spinous process; action, extends lumbar vertebrae; nerve supply, dorsal primary rami of lumbar spinal nerves. ... Synonym: musculus interspinalis lumborum, lumbar interspinal muscle. ... (05 Mar 2000) ...

lumbar laminectomy
<procedure, surgery> A surgical procedure which is designed to relieve pressure on the spinal cord or nerve root that is being caused by a slipped or herniated disk in the lumbar spine. This procedure is also used in the treatment of spinal stenosis. This procedure includes removal of a portion of the bone comprising a vertebra. Recovery is g …

lumbar lymph nodes
right lumbar lymph nodes, intermediate lumbar lymph nodes, left lumbar lymph nodes ...

lumbar nephrectomy
<procedure> Nephrectomy through an incision in the flank or loin, usually with the patient in the lateral position. ... (05 Mar 2000) ...

lumbar nerves
Five bilaterally-paired nerves emerging from the lumbar portion of the spinal cord; the first four nerves enter into the formation of the lumbar plexus, the fourth and fifth into that of the sacral plexus. ... Synonym: nervi lumbales. ... (05 Mar 2000) ...

lumbar part of diaphragm
The portion of the diaphragm that arises from the upper lumbar vertebrae and from the medial and lateral arcuate ligaments. ... See: right crus of diaphragm, left crus of diaphragm, lateral arcuate ligament, medial arcuate ligament. ... Synonym: pars lumbalis diaphragmatis, vertebral part of diaphragm. ... (05 Mar 2000) ...

lumbar plexus
A nervous plexus, formed by the ventral rami of the first four lumbar nerves; it lies in the substance of the psoas muscle, a lymphatic plexus formed of about twenty lymph nodes and connecting vessels situated along the lower portion of the aorta and the common iliac vessels. ... Synonym: plexus lumbalis. ... (05 Mar 2000) ...

lumbar puncture
A diagnostic procedure where a sterile needle is introduced into the lower spine (L2) to collect cerebrospinal fluid for diagnostic purposes. Chemical analysis, cellular analysis and CSF pressure can all be measured with this procedure. This test can aid in the diagnosis of meningitis, subarachnoid haemorrhage and multiple sclerosis. ... (27 Sep 199 …

lumbar puncture needle
A needle, provided with a stylet, for entering the spinal canal or cisterna magna, with a bore of at least 1 mm and 40 mm or more in length. ... (05 Mar 2000) ...

lumbar quadrate muscle
Synonym for quadratus lumborum ... <anatomy, muscle> Origin, iliac crest, iliolumbar ligament, and transverse processes of lower lumbar vertebrae; insertion, twelfth rib and transverse processes of upper lumbar vertebrae; action, abducts trunk; nerve supply, ventral primary rami of upper lumbar spinal nerves. ... Synonym: musculus quadratus lum …

lumbar radiculopathy
<neurology, orthopaedics> A herniated intervertebral disk (nucleus pulposus) is one which has become displaced (prolapsed) from its normal position in between the vertebral bodies of the spine. ... Herniated disks often impinge on nearby nerve structures resulting in pain and neurologic symptoms. A clinical situation where the radicular nerve …

lumbar region
The region of the back lateral to the vertebral region and between the rib cage and the pelvis. ... Synonym: regio lumbalis. ... (05 Mar 2000) ...

lumbar rheumatism
Synonym for lumbago ... <symptom> Pain in the lumbar region. ... Origin: L. Lumbus = loin ... (18 Nov 1997) ...

lumbar rib
An occasional rib articulating with the transverse process of the first lumbar vertebra. ... (05 Mar 2000) ...

lumbar rotator muscles
Synonym for rotatores lumborum muscles ... The rotator muscles of the lumbar vertebrae. ... Synonym: musculi rotatores lumborum, lumbar rotator muscles. ... (05 Mar 2000) ...

lumbar segments of spinal cord
The five lumbar segments of the spinal cord which give rise to the five pairs of lumbar spinal nerves and constitute the lumbar part of the spinal cord. ... Synonym: segmenta medullae spinalis lumbaria. ... (05 Mar 2000) ...

lumbar splanchnic nerves
Branches from the lumbar sympathetic trunks that pass anteriorly to convey presynaptic sympathetic fibres to, and visceral afferents from, the coeliac, intermesenteric, aortic, and superior hypogastric plexuses. ... Synonym: nervi splanchnici lumbales. ... (05 Mar 2000) ...

lumbar triangle
An area in the posterior abdominal wall bounded by the edges of the latissimus dorsi and external oblique muscles and the iliac crest; herniations occasionally occur here. ... Synonym: trigonum lumbale, Petit's lumbar triangle. ... (05 Mar 2000) ...

lumbar trunks
Two lymphatic ducts conveying lymph from the lower limbs, pelvic viscera and walls, large intestine, kidneys, and suprarenal glands; they discharge into the cisterna chyli. ... Synonym: trunci lumbales. ... (05 Mar 2000) ...

lumbar veins
Five in number, these veins accompany the lumbar arteries, drain the posterior body wall and the lumbar vertebral venous plexuses, and terminate anteriorly as follows: the first and second in the ascending lumbar vein, the third and fourth in the inferior vena cava, and the fifth in the iliolumbar vein; all communicate via the ascending lumbar vein …

lumbarization
A congenital anomaly of the lumbosacral junction characterised by development of the first sacral vertebra as a lumbar vertebra; there are six lumbar vertebrae instead of five. ... (05 Mar 2000) ...

lumberman's itch
Synonym for dermatitis hiemalis ... A recurrent eczema appearing with the advent of cold weather. ... Synonym: frost itch, lumberman's itch, pruritus hiemalis, winter itch. ... (05 Mar 2000) ...

lumbi
Plural of lumbus. ... Origin: L. ... (05 Mar 2000) ...

lumbo-ovarian
Relating to the ovary and the lumbar regions. ... (05 Mar 2000) ...

lumboabdominal
Relating to the sides and front of the abdomen. ... (05 Mar 2000) ...

lumbocolostomy
<procedure> An obsolete term for formation of a permanent opening into the colon via an incision through the lumbar region. ... Origin: L. Lumbus, loin, + G. Kolon, colon, + stoma, mouth ... (05 Mar 2000) ...

lumbocolotomy
<procedure> An obsolete term for incision into the colon through the lumbar region. ... Origin: L. Lumbus, loin, + G. Kolon, colon, + tome, incision ... (05 Mar 2000) ...

lumbocostal
1. Relating to the lumbar and the hypochondriac regions. ... 2. Relating to the lumbar vertebrae and the ribs; denoting a ligament connecting the first lumbar vertebra with the neck of the twelfth rib. ... Origin: L. Lumbus, loin, + costa, rib ... (05 Mar 2000) ...

lumbocostal ligament
<anatomy> A strong band that unites the twelfth rib with the tips of the transverse processes of the first and second lumbar vertebrae. ... Synonym: ligamentum lumbocostale. ... (05 Mar 2000) ...

lumbocostoabdominal triangle
An irregular area bounded by the serratus posterior inferior, obliquus externus, obliquus internus, and erector spinae muscles. ... (05 Mar 2000) ...

lumbodorsal fascia
Synonym for thoracolumbar fascia ... The fascia which covers the deep muscles of the back; it is attached to the angles of the ribs and to the spines of the thoracic, lumbar, and sacral vertebrae, to the transverse processes of the lumbar vertebrae, to the lower border of the twelth rib and to the iliac crest, as well as to the lumbocostal, iliolumb …

lumboiliac
Synonym for lumboinguinal ... Relating to the lumbar and the inguinal regions. ... Synonym: lumboiliac. ... Origin: L. Lumbus, loin, + inguen (inguin-), groin ... (05 Mar 2000) ...

lumboinguinal
Relating to the lumbar and the inguinal regions. ... Synonym: lumboiliac. ... Origin: L. Lumbus, loin, + inguen (inguin-), groin ... (05 Mar 2000) ...

lumboinguinal nerve
<anatomy, nerve> Femoral branch of genitofemoral nerve ... See: genitofemoral nerve. ... (05 Mar 2000) ...

lumbosacral angle
The angle between the long axis of the lumbar part of the vertebral column and that of the sacrum. ... (05 Mar 2000) ...

lumbosacral joint
The articulation of the fifth lumbar vertebra with the sacrum. ... Synonym: articulatio lumbosacralis, junctura lumbosacralis. ... (05 Mar 2000) ...

lumbosacral plexus
The lumbar and sacral plexuses taken together. The fibres of the lumbosacral plexus originate in the lumbar and upper sacral spinal cord (l1 to s3) and innervate the lower extremities. ... (12 Dec 1998) ...

lumbosacral trunk
A large nerve, formed by the union of the fifth lumbar and first sacral nerves, with a branch from the fourth lumbar nerve, which enters into the formation of the sacral plexus. ... Synonym: truncus lumbosacralis. ... (05 Mar 2000) ...

lumbrical muscle of foot
Four intrinsic muscles of the foot; origin, first: from tibial side of tendon to second toe of flexor digitorum longus; second, third, and fourth: from adjacent sides of all four tendons of this musculus; insertion, tibial side of extensor tendon on dorsum of each of the four lateral toes; action, flex the proximal and extend the middle and distal …

lumbrical muscle of hand
Four intrinsic muscles of the hand; origin, the two lateral: from the radial side of the tendons of the flexor digitorum profundus going to the index and middle fingers; the two medial: from the adjacent sides of the second and third, and third and fourth tendons; insertion, radial side of extensor tendon on dorsum of each of the four fingers; acti …

lumbricalis
See: lumbrical muscle of hand, lumbrical muscle of foot. ... (05 Mar 2000) ...

lumbricidal
Destructive to lumbricoid (intestinal) worms. ... (05 Mar 2000) ...

lumbricide
An agent that kills lumbricoid (intestinal) worms. ... Origin: L. Lumbricus, worm, + caedo, to kill ... (05 Mar 2000) ...

lumbricosis
Infection with round intestinal worms. ... (05 Mar 2000) ...

lumbrokinase
<enzyme> A group of 6 fibrinolytic enzymes isolated from extracts of korean earthworm, lumbricus rubellus ... Pharmacological action: fibrinolytic agents ... Registry number: EC 3.4.99.- ... (26 Jun 1999) ...

lumbus
Synonym: loin. ... Origin: L. ... (05 Mar 2000) ...

lumen
<anatomy> The cavity or channel within a tube or tubular organ. ... (18 Nov 1997) ...

lumican
Isoform (37 kD) of corneal keratan sulphate proteoglycan also found in arterial wall and many other tissues. ... (18 Nov 1997) ...

lumichrome
7,8-Dimethylalloxazine;riboflavin minus its ribityl side chain; produced by ultraviolet irradiation of riboflavin in acid solution. ... (05 Mar 2000) ...

lumicolchicine
<drug> A derivative of colchicine produced by exposure to ultraviolet light and that does not inhibit tubulin polymerisation, although it has many of the non-specific effects of colchicine. ... (18 Nov 1997) ...

lumicolchicines
N-(5,6,7,7b,8,10a-hexahydro-1,2,3,9-tetramethoxy- 8-oxobenzo(a) cyclopenta(3,4)cyclobuta(1,2-c)cyclopenten- 7-ylacetamide. Three, alpha, beta, and gamma isomers of ultraviolet degradation products of colchicine that lack many of the physiological actions of the parent; used as experimental control for colchicine actions. ... (12 Dec 1998) ...

lumiflavin
7,8,10-Trimethylisoalloxazine;a yellow photoderivative of riboflavin, bearing a methyl group in place of the ribityl; produced by ultraviolet irradiation of riboflavin in alkaline solution. ... (05 Mar 2000) ...

lumina
Plural of lumen. ... Origin: L. ... (05 Mar 2000) ...

luminal
Relating to the lumen of a blood vessel or other tubular structure. ... (05 Mar 2000) ...

luminance
The brightness of an object, expressed as the luminous flux per unit solid angle per unit projected area, measured in lamberts or in candelas per square meter. ... Origin: L. Lumino, to light up, fr. Lumen, light ... (05 Mar 2000) ...

luminescence
Production of light. ... (09 Oct 1997) ...

luminescence, bacterial
The emission of light by bacteria. It is applied to studies on bacterial viability, metabolism, genetics, adhesiveness, and other physiological properties. ... (12 Dec 1998) ...

luminescent proteins
Proteins which are involved in the phenomenon of light emission in living systems. Included are the 'enzymatic' and 'non-enzymatic' types of system with or without the presence of oxygen or co-factors. ... (12 Dec 1998) ...

luminiferous
Producing or conveying light. ... Origin: L. Lumen, light, + fero, to carry ... (05 Mar 2000) ...

luminol
Compound used as a bystander substrate in assaying the metabolic activation of leucocytes by chemiluminescence. When oxidized by the myeloperoxidase/hydrogen peroxide system, it emits light. ... (18 Nov 1997) ...

luminophore
An atom or atomic grouping in an organic compound that increases its ability to emit light. ... Origin: L. Lumen, light, + G. Phoros, bearing ... (05 Mar 2000) ...