Lexic.us

Definition of Lumbar plexus

1. Noun. A lymphatic plexus located along the lower portion of the aorta and iliac vessels.

2. Noun. A plexus of nerves formed by the ventral branches of the first four lumbar nerves.

Medical Definition of Lumbar plexus

1. 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)

Lexicographical Neighbors of Lumbar Plexus

lumbar enlargement of spinal cord lumbar flexure lumbar ganglia lumbar hernia lumbar iliocostal muscle lumbar interspinal muscle lumbar interspinales muscles lumbar laminectomy lumbar lymph nodes lumbar nephrectomy

lumbar nerve lumbar nerves lumbar pain lumbar part of diaphragm lumbar part of spinal cord lumbar plexus (current term) lumbar puncture lumbar puncture needle lumbar punctures lumbar quadrate muscle

lumbar radiculopathy lumbar region lumbar rheumatism lumbar rib lumbar rotator muscles lumbar segments of spinal cord lumbar splanchnic nerves lumbar triangle lumbar trunks lumbar vein

Literary usage of Lumbar plexus

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"THE lumbar plexus. same disproportion between them and the posterior roots as in the cervical nerves. The roots of these nerves have a vertical direction, ..."

2. Quain's Elements of Anatomy by Jones Quain, William Sharpey, Allen Thomson, John G. Cleland (1867)
"lumbar plexus. The lumbar plexus is formed by the communications between the anterior primary divisions of the four upper lumbar nerves. ..."

3. Quain's Elements of Anatomy by Jones Quain, Allen Thomson, George Dancer Thane (1882)
"^1^6 BRANCHES of the lumbar plexus form two sets, which are dis- buted, one to the lower part of the wall of the abdomen, the other to ä fore part and inner ..."

4. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"The lumbar plexus is placed in front of the transverse processes of the lumbar ... The following are the branches which proceed from the lumbar plexus:— 2. ..."

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