plexus

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Related to lumbar plexus: sciatic nerve, lumbar plexus block

plexus

any complex network of nerves, blood vessels, or lymphatic vessels
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

plexus

[′plek·səs]
(anatomy)
A network of interlacing nerves or anastomosing vessels.
(geology)
An area on a subglacial deposit that encloses a giant's kettle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Plexus

A modular World-Wide Web server written in Perl by Tony Sanders <sanders@earth.com>. Comes with interfaces to allow many other information services to be served via the Web.

Version 3.0m 1994-07-22.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
References in periodicals archive ?
Another observation by Dogliotti AM et al [3] noted that the nerve trunks of the lumbar plexus are wide apart and hence there is a need for multiple injections to achieve a successful blockade.
Single-shot Quadratus Lumborum Block for Postoperative Analgesia After Minimally Invasive Hip Arthroplasty: A New Alternative to Continuous Lumbar Plexus Block?
Most of the blocks, regardless of needle trajectory, were consistently associated with dye staining of the upper branches of the lumbar plexus, including the subcostal, iliohypogastric, and ilioinguinal nerves.
The origin of the lateral cutaneous nerve of the thigh from the femoral nerve can affect the clinical efficacy of lumbar plexus blockade, since femoral nerve blockade in such cases is likely to produce an undesirable blockade in the area of distribution of the lateral cutaneous nerve of the thigh (Sharrock, 1980).
As per standard textbooks of anatomy, the femoral nerve is the largest branch of the lumbar plexus and it arises from the posterior division of the anterior (ventral) rami of the second, third and fourth lumbar nerves.
LPBs were consistently performed with nerve stimulation using Capdevila's approach to the lumbar plexus. (34) With the patient in the lateral decubitus position with hips flexed, a marking pen was used to draw the intercristal line connecting the iliac crests.
Lumbar plexus blocks produce anesthesia of most of the lumbar nerve roots and some of the sacral nerve roots.
Central nervous system toxicity following the administration of levobupivacaine for lumbar plexus block: A report of two cases.
For the Lumbar plexus block, 0% of the consultants surveyed felt competent in performing this block with the ultrasound technique compared to 73% with the landmark technique.
In contrast, Duarte et al (22) found that patients in the lumbar plexus group required additional analgesia and experienced more pain compared with CEA following hip arthroplasty.
The lumbar plexus veins course close to the neural foramina and exiting nerve roots.