| lumbar interspinal muscle | 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) |
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| 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 generally 7-10 days. An alternative to this is a micro-disc surgery. (27 Sep 1997) |
| lumbar lymph nodes | right lumbar lymph nodes, intermediate lumbar lymph nodes, left lumbar lymph nodes |
| lumbar nephrectomy | 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 part of spinal cord | Portion of spinal cord which consists of the five lumbar segments (L1-L5) and from which five pairs of lumbar spinal nerves originate; in the adult it is located in the T10-L1 portion of the vertebral canal, and is enlarged relative to other parts of the cord due to its involvement in innervation of the lower limb. (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 1997) |
| 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 | <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 lumborum, lumbar quadrate muscle, quadrate muscle of loins. (05 Mar 2000) |
| 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 (nerve root) is compressed by the prolapsed disk is referred to as a radiculopathy. This problem tends to occur most commonly in the cervical and lumbar spine. Origin: Gr. Pathos = disease (27 Sep 1997) |
| 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 | <symptom> Pain in the lumbar region. Origin: L. Lumbus = loin (18 Nov 1997) |
| lumbar nerve |
any of five pairs of spinal nerves emerging from the lumbar section of the spinal cord
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| lumbar vein |
veins that drain the posterior body wall and the lumbar vertebral venous plexuses
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| lumbago |
backache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc
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| lumbar |
of or relating to or near the part of the back between the ribs and the hipbones; "lumbar vertebrae"
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| lumbar artery |
one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall
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| lumb | move heavily or clumsily |
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| lumb | a short warm outer jacket |
| lumb | (British) a storeroom in a house where odds and ends can be stored (especially furniture) |
| lumb | the trade of cutting or preparing or selling timber |
| lumb | slow and laborious because of weight |
| lumb | a short warm outer jacket |
| lumb | a person who fells trees |
| lumb | a person who fells trees |
| lumb | a mill for dressing logs and lumber |
| lumb | a workplace where lumber is stocked for sale |
| lumb | of or relating to or near the small of the back and the back part of the pelvis between the hips |
| lumb | a nerve plexus formed by the ventral divisions of the coccygeal and sacral and lumbar nerves |