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Encyclopedia > Lumboinguinal nerve
Nerve: Lumboinguinal nerve
Cutaneous nerves of right lower extremity. Front view. (Lumboinguinal visible at upper left.)
Latin ramus femoralis nervi genitofemoralis, nervus lumboinguinalis
Gray's subject #212 953
From genitofemoral nerve
Dorlands/Elsevier r_02/12690076

The lumboinguinal nerve (femoral or crural branch of genitofemoral) descends on the external iliac artery, sending a few filaments around it, and, passing beneath the inguinal ligament, enters the sheath of the femoral vessels, lying superficial and lateral to the femoral artery. Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... In human anatomy, the genitofemoral nerve originates from the upper part of the lumbar plexus of spinal nerves. ... Elseviers logo Elsevier, the worlds largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. ... The external iliac arteries are large arteries that connect the femoral arteries to the common iliac arteries. ... The inguinal ligament is a band running from the pubic tubercle to the anterior superior iliac spine. ... Femoral artery and its major branches - right thigh, anterior view. ...


It pierces the anterior layer of the sheath of the vessels and the fascia lata, and supplies the skin of the anterior surface of the upper part of the thigh. The deep fascia of the thigh is named, from its great extent, the fascia lata; it constitutes an investment for the whole of this region of the limb, but varies in thickness in different parts. ... Diagram of the human thigh bone In humans the thigh is the area between the pelvis and buttocks and the knee. ...


On the front of the thigh it communicates with the anterior cutaneous branches of the femoral nerve. The Femoral Nerve supplies innervation the anterior portion of the leg. ...


A few filaments from the lumboinguinal nerve may be traced to the femoral artery.


Additional images

External links

  • Diagram at waynesburg.edu

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

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Lumbosacral plexus

lumbar plexus: iliohypogastric - ilioinguinal - genitofemoral (femoral branch/lumboinguinal, genital branch) - lateral cutaneous of thigh (patellar) - obturator (accessory obturator) - femoral (saphenous) - lumbosacral trunk The anterior divisions of the lumbar nerve, sacral nerve, and coccygeal nerves form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic. ... Grays Fig. ... The Iliohypogastric Nerve arises from the first lumbar nerve. ... The Ilioinguinal Nerve, smaller than the Iliohypogastric nerve, arises with it from the first lumbar nerve. ... In human anatomy, the genitofemoral nerve originates from the upper part of the lumbar plexus of spinal nerves. ... The genital branch of the genitofemoral nerve (external spermatic nerve) passes outward on the Psoas major, and pierces the fascia transversalis, or passes through the abdominal inguinal ring; it then descends behind the spermatic cord to the scrotum, supplies the Cremaster, and gives a few filaments to the skin of... The lateral cutaneous nerve of the thigh (also called the lateral femoral cutaneous nerve) is a cutaneous nerve that innervates the skin on the lateral part of the thigh. ... The Obturator Nerve arises from the ventral divisions of the second, third, and fourth lumbar nerves; the branch from the third is the largest, while that from the second is often very small. ... The Accessory Obturator Nerve is present in about 29 per cent. ... The Femoral Nerve supplies innervation the anterior portion of the leg. ...


sacral/coccygeal plexus: to quadratus femoris - to obturator internus - to the piriformis - superior gluteal - inferior gluteal - posterior cutaneous of thigh
sciatic: tibial (sural - medial plantar - lateral plantar) - common fibular (deep fibular - superficial fibular) In human anatomy, the Sacral plexus refers to the nerve plexus emerging from the sacral vertebrae (S1-S4), and which provides nerves for the pelvis and lower limbs. ... The nerve to quadratus femoris is a nerve that provides innervation to the quadratus femoris and gemellus inferior muscles. ... The superior gluteal nerve is a nerve that originates in the pelvis which supplies the gluteus medius, the gluteus minimus, and the tensor fasciae latae muscles. ... The Superior Gluteal Nerve () arises from the dorsal divisions of the fourth and fifth lumbar and first sacral nerves: it leaves the pelvis through the greater sciatic foramen above the Piriformis, accompanied by the superior gluteal vessels, and divides into a superior and an inferior branch. ... This article or section may be confusing or unclear for some readers, and should be edited to rectify this. ... The Tibial Nerve The tibial nerve passes through the popliteal fossa to pass below the arch of soleus. ... The sural nerve (short saphenous nerve), formed by the junction of the medial sural cutaneous with the peroneal anastomotic branch, passes downward near the lateral margin of the tendo calcaneus, lying close to the small saphenous vein, to the interval between the lateral malleolus and the calcaneus. ... The Lateral Plantar Nerve (external plantar nerve) supplies the skin of the fifth toe and lateral half of the fourth, as well as most of the deep muscles, its distribution being similar to that of the ulnar nerve in the hand. ... The common peroneal nerve (common fibular nerve; external popliteal nerve; peroneal nerve), about one-half the size of the tibial nerve, is derived from the dorsal branches of the fourth and fifth lumbar and the first and second sacral nerves. ... The Deep fibular nerve (deep peroneal nerve) begins at the bifurcation of the common peroneal nerve, between the fibula and upper part of the Fibularis (Peronæus) longus, passes infero-medially, deep to Extensor digitorum longus, to the anterior surface of the interosseous membrane, and comes into relation with the...


pudendal plexus: perforating cutaneous - pudendal (dorsal of the penis/clitoris, inferior anal, perineal and posterior scrotal/labial) - anococcygeal The pudendal plexus is not sharply marked off from the sacral plexus, and as a consequence some of the branches which spring from it may arise in conjunction with those of the sacral plexus. ... The Perforating Cutaneous Nerve usually arises from the posterior surface of the second and third sacral nerves. ... The pudendal nerve is responsible for orgasm, urination, and defecation in both sexes. ... The dorsal nerve of the penis is the deepest division of the pudendal nerve; it accompanies the internal pudendal artery along the ramus of the ischium; it then runs forward along the margin of the inferior ramus of the pubis, between the superior and inferior layers of the fascia of... The dorsal nerve of the clitoris is a nerve in females that branches off the pudendal nerve to innervate the clitoris. ... The Inferior rectal nerves (inferior anal nerves, inferior hemorrhoidal nerve) occasionally arises directly from the sacral plexus; it crosses the ischiorectal fossa, with the inferior hemorrhoidal vessels, toward the anal canal and the lower end of the rectum, and is distributed to the Sphincter ani externus and to the integument... The posterior scrotal (or labial) branches; superficial peroneal nerves) are two in number, medial and lateral. ... Anococcygeal Nerves: The fifth sacral nerve receives a communicating filament from the fourth, and unites with the coccygeal nerve to form the coccygeal plexus. ...


 
 

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