• Thumbnail for Lumbar plexus
    The lumbar plexus is a web of nerves (a nerve plexus) in the lumbar region of the body which forms part of the larger lumbosacral plexus. It is formed...
    9 KB (806 words) - 02:05, 12 May 2025
  • Thumbnail for Lumbar nerves
    longus Lumbar spinal nerve 3 Lumbar spinal nerve 4 Lumbar spinal nerve 5 The spinal cord with spinal nerves The plan of the lumbosacral plexus The lumbar plexus...
    8 KB (922 words) - 16:41, 24 March 2025
  • Thumbnail for Nerve plexus
    arms and hands Lumbosacral plexus Lumbar plexus – serves the back, abdomen, groin, thighs, knees, and calves Subsartorial plexus – below the sartorius muscle...
    11 KB (1,075 words) - 00:03, 6 December 2024
  • Thumbnail for Spinal nerve
    location. The spinal plexuses are the cervical plexus, brachial plexus, lumbar plexus, the sacral plexus and the much smaller coccygeal plexus. The cervical...
    15 KB (1,827 words) - 07:15, 2 June 2025
  • Thumbnail for Sacral plexus
    foot, and part of the pelvis. It is part of the lumbosacral plexus and emerges from the lumbar vertebrae and sacral vertebrae (L4-S4). A sacral plexopathy...
    9 KB (459 words) - 07:00, 13 October 2024
  • Thumbnail for Lumbosacral plexus
    purposes this plexus is usually divided into three parts: lumbar plexus sacral plexus pudendal plexus Injuries to the lumbosacral plexus are predominantly...
    2 KB (170 words) - 23:34, 2 December 2023
  • Thumbnail for Lateral cutaneous nerve of thigh
    originates from the dorsal divisions of the second and third lumbar nerves from the lumbar plexus. It passes under the inguinal ligament to reach the thigh...
    9 KB (962 words) - 16:46, 25 May 2025
  • Thumbnail for Genitofemoral nerve
    The genitofemoral nerve is a mixed branch of the lumbar plexus derived from anterior rami of lumbar nerves L1–L2. It splits into a genital branch and a...
    6 KB (592 words) - 02:15, 12 May 2025
  • Thumbnail for Peripheral nervous system
    For descriptive purposes this plexus is usually divided into three parts: lumbar plexus sacral plexus pudendal plexus The autonomic nervous system (ANS)...
    14 KB (1,675 words) - 07:03, 14 April 2025
  • Thumbnail for Nerve block
    sartorius muscle. The lumbar plexus block is an advanced technique indicated for hip, anterior thigh, and knee surgery. The lumbar plexus is composed of nerves...
    52 KB (6,083 words) - 12:28, 9 June 2025
  • Thumbnail for Celiac plexus
    front of the crura of the diaphragm, on the level of the first lumbar vertebra. The plexus is formed in part by the greater and lesser splanchnic nerves...
    4 KB (435 words) - 01:26, 1 May 2025
  • Thumbnail for Obturator nerve
    from the ventral divisions of the second, third, and fourth lumbar nerves in the lumbar plexus; the branch from the third is the largest, while that from...
    6 KB (687 words) - 00:05, 24 May 2025
  • Thumbnail for Human leg
    distribution and topography, the lumbosacral plexus is subdivided into the lumbar plexus (T12-L4) and the Sacral plexus (L5-S4); the latter is often further subdivided...
    75 KB (9,343 words) - 12:30, 11 June 2025
  • Thumbnail for Psoas major muscle
    lumbar vertebrae L1–L4, and the neighboring intervertebral discs. The lumbar plexus lies between the two layers. Together, the iliacus muscle and the psoas...
    10 KB (1,151 words) - 05:56, 25 May 2025
  • Thumbnail for Radiation-induced lumbar plexopathy
    but lower levels of lumbar plexus radiation dosing will minimize or eliminate RILP. One method to reduce the lumbosacral plexus' dosing is to include...
    27 KB (2,705 words) - 18:34, 30 November 2024
  • Thumbnail for Femoral nerve
    the lumbar plexus. The femoral nerve is the major nerve supplying the anterior compartment of the thigh. It is the largest branch of the lumbar plexus, and...
    7 KB (792 words) - 21:21, 23 May 2025
  • Thumbnail for Lumbosacral trunk
    lumbar plexus with the sacral plexus. It is formed by the union of parts of the fourth and fifth lumbar nerves and descends to join the sacral plexus...
    4 KB (394 words) - 19:32, 28 June 2023
  • Thumbnail for Lumbar puncture
    Lumbar puncture (LP), also known as a spinal tap, is a medical procedure in which a needle is inserted into the spinal canal, most commonly to collect...
    48 KB (5,544 words) - 19:31, 12 June 2025
  • Thumbnail for Iliohypogastric nerve
    The iliohypogastric nerve is a nerve that originates from the lumbar plexus that supplies sensation to skin over the lateral gluteal and hypogastric regions...
    7 KB (722 words) - 17:24, 18 December 2024
  • Thumbnail for Iliopsoas
    innervation from the L2-4 nerve roots of the lumbar plexus which also send branches to the superficial lumbar muscles. The femoral nerve passes through the...
    8 KB (806 words) - 21:27, 23 May 2025
  • Thumbnail for Cerebrospinal fluid
    CSF is mostly produced by specialized ependymal cells in the choroid plexuses of the ventricles of the brain, and absorbed in the arachnoid granulations...
    44 KB (5,026 words) - 21:41, 25 May 2025
  • largest cutaneous branch of the femoral nerve. It is derived from the lumbar plexus (L3-L4). It is a strictly sensory nerve, and has no motor function....
    8 KB (1,033 words) - 00:43, 24 May 2025
  • Thumbnail for Ilioinguinal nerve
    which may be used for the block. Deep and superficial dissection of the lumbar plexus. Cutaneous nerves of the right lower extremity. Anterior and posterior...
    4 KB (467 words) - 14:57, 24 April 2025
  • Thumbnail for Pectineus muscle
    coverings. It forms part of the floor of the femoral triangle. The lumbar plexus is formed from the anterior rami of nerves L1 to L4 and some fibers...
    7 KB (774 words) - 17:24, 3 January 2025
  • Thumbnail for Lumbar arteries
    the psoas major, and are then continued behind this muscle and the lumbar plexus. They now cross the quadratus lumborum, the upper three arteries running...
    3 KB (303 words) - 16:28, 11 February 2024
  • femoral cutaneous nerve (LFCN) originates from the lumbar plexus and contains fibers from lumbar nerves L2 and L3. The LFCN then traverses to the lateral...
    19 KB (1,898 words) - 17:01, 1 June 2025
  • Thumbnail for Ventral ramus of spinal nerve
    brachial plexus contains ventral rami from spinal nerves C5–T1. This plexus innervates the pectoral girdle and upper limb. The lumbar plexus contains...
    3 KB (396 words) - 18:01, 21 August 2024
  • Thumbnail for Groin
    closer to the midline). The groin is innervated by branches of the lumbar plexus. The pectineus muscle is innervated by the femoral nerve, and the hamstring...
    6 KB (718 words) - 16:42, 28 May 2025
  • Thumbnail for Subcostal nerve
    contributing to the lumbar plexus. It runs along the lower border of the twelfth rib, often gives a communicating branch to the first lumbar nerve, and passes...
    4 KB (411 words) - 23:00, 23 May 2025
  • plexuses. Alternatively, the Latin plural plexūs may be used. The four primary nerve plexuses are the cervical plexus, brachial plexus, lumbar plexus...
    2 KB (220 words) - 10:56, 9 March 2025