AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsHealth Care
Sciatic NerveSciatic NeuropathyArteriesPeripheral NervesNerve RegenerationNerve CrushNerve BlockPeripheral Nerve InjuriesNerve FibersPulmonary ArterySchwann CellsOptic NerveCarotid ArteriesCerebral ArteriesRenal ArteryFemoral ArteryNeural ConductionMesenteric ArteriesTibial NerveAxonsBasilar ArteryNerve Compression SyndromesFemoral NerveMyelin SheathRats, Sprague-DawleySural NerveGanglia, SpinalAxotomyIliac ArteryVertebral ArteryCoronary Artery BypassNerve EndingsNerve TissueSpinal NervesNeuralgiaRadial ArteryMammary ArteriesNerve Growth FactorsSpinal Nerve RootsCarotid Artery, InternalMedian NerveSubclavian ArteryFacial NerveNerve Growth FactorPeripheral Nervous System DiseasesHyperalgesiaAnesthetics, LocalUlnar NerveCarotid Artery DiseasesWallerian DegenerationNerve Fibers, MyelinatedDiabetic NeuropathiesSplenic ArteryElectric StimulationBrachial ArteryNeurons, AfferentAxonal TransportSciaticaSpinal CordDenervationRats, WistarPeripheral Nervous System NeoplasmsHepatic ArteryCarotid Artery, CommonLigationPeripheral Nervous SystemCoronary VesselsPiriformis Muscle SyndromeHyperesthesiaTrigeminal NerveDisease Models, AnimalOphthalmic ArteryMotor NeuronsCeliac ArteryTime FactorsMesenteric Artery, SuperiorNerve DegenerationNeuritisLumbosacral PlexusCranial NervesPhrenic NerveUmbilical ArteriesMiddle Cerebral ArteryRadial NerveRenal Artery ObstructionNerve Fibers, UnmyelinatedVasodilationHindlimbThoracic ArteriesNerve Tissue ProteinsTemporal ArteriesRanvier's NodesBronchial ArteriesSorbitolUlnar ArteryPopliteal ArteryReceptors, Nerve Growth FactorOphthalmic NerveRegional Blood FlowSympathetic Nervous System
PiriformisMedialThighBranchesDeep femoraFemoral nerveGreater sciaticSemimembranosusPelvisIliac arteriesSpinal nervesPelvicSciaticaGluteal arteryTendonVeinMusclesLateral circumflexLumbarGluteusInferior glutealVeins and arteriesVascularCompressed or irritatedDividesPudendalTibial nerveGenicularAnatomySacral nerveKneeBranchLower legDissectionBlood vesselsPeripheral nervesPsoasOutcomes
Piriformis9
  • It descends upon the nerves of the sacral plexus and the piriformis muscle, posterior to the internal pudendal artery. (wikipedia.org)
  • Variations in the high division of the sciatic nerve and relationship between the sciatic nerve and the piriformis. (medscidiscovery.com)
  • It leaves the pelvis through the greater sciatic foramen below the Piriformis, and gives off the branch to the Gemellus superior, which enters the upper part of the posterior surface of the muscle. (bartleby.com)
  • The Superior Gluteal Nerve ( n. glutæus superior ) 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. (bartleby.com)
  • The inferior passes anterior to the piriformis and the sacral nerves, and descends, on the lateral side of the sympathetic trunk, to the coccyx, where it terminates by anastomosing with the middle sacral. (co.ma)
  • Branches are given off by the lateral sacral arteries to the piriformis, and to the sacral nerves. (co.ma)
  • It leaves the pelvis through the upper part of the greater sciatic foramen, above the piriformis muscle, and enters the buttock, where it divides, under cover of the gluteus maximus and between the adjacent borders of the piriformis and gluteus medius muscles, into superficial and deep branches. (co.ma)
  • It leaves the pelvis through the greater sciatic foramen, below the piriformis, and runs down in front of the sciatic nerve, the gemelli, and the tendon of the obturator internus, then enters the anterior surfaces of the quadratus femoris and gemellus inferior muscles. (medscape.com)
  • 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. (medscape.com)
Medial11
  • It is situated medial to the sciatic nerve. (wikipedia.org)
  • The proximal cross-section demonstrates the anterior, posterior and medial compartment muscles, with the origin of the popliteal artery and vein just as they have entered the popliteal fossa via the adductor hiatus. (anatomywarehouse.com)
  • Medially, the semitendinosus and semimembranosus muscles have been sectioned to demonstrate the superior medial genicular artery and the medial head of the gastrocnemius. (anatomywarehouse.com)
  • They are accompanied by the tibial nerve, with the lateral head of the gastrocnemius removed several muscular branches of the tibial nerve are visible in the fossa (as is the medial sural cutaneous nerve and the distal-most part of the lateral sural cutaneous nerve). (anatomywarehouse.com)
  • The femoral artery is divided into a superficial, deep, and common arteries, and these further divide into branches, including the medial and lateral circumflex arteries . (healthline.com)
  • It does miss the medial aspect of the leg, which is innervated by the saphenous nerve, a cutaneous extension of the femoral nerve. (medscape.com)
  • the vascular sheath is medial and deeper to the sciatic nerve. (medscape.com)
  • Branches from the external iliac artery form a ring around the neck of the femur, with the lateral femoral circumflex artery going anteriorly and the medial femoral circumflex artery going posteriorly. (ochsnerjournal.org)
  • 1 The major blood supply to the femoral head is the medial femoral circumflex artery. (ochsnerjournal.org)
  • it appears at the medial margin of the Psoas major and runs downward over the pelvic brim to join the first sacral nerve. (bartleby.com)
  • The branches freely anastomose with branches of the inferior gluteal, internal pudendal, medial circumflex, deep circumflex iliac, and lateral sacral arteries. (co.ma)
Thigh13
  • It continues down the back of the thigh, supplying the skin, and anastomosing with branches of the perforating arteries. (wikipedia.org)
  • Nerve supply to the thigh comes from various lumbar and sacral nerves via the femoral, obturator, and common peroneal nerves. (healthline.com)
  • The tibial and sciatic nerves also supply parts of the thigh. (healthline.com)
  • Branches of the femoral artery supply the thigh with oxygen-rich blood. (healthline.com)
  • The long and very large nerve named sciatic which supplies the muscles of the thigh, leg, and foot, and the skin of the leg, running the entire length of the leg becomes inflamed to cause sciatica. (ecureme.com)
  • The pain is felt in the thigh and other areas associated with the sciatic nerve, buttocks, knee, leg, and even foot in severe cases. (ecureme.com)
  • It leaves the pelvis through the greater sciatic foramen and runs toward the posterior aspect of the thigh between the greater trochanter and the ischial tuberosity. (medscape.com)
  • The sacral plexus (plexus sacralis) is a nerve plexus that provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis (see the following image). (medscape.com)
  • The band continues primarily as the sciatic nerve, which splits in the back of the thigh into the tibial nerve and common fibular nerve. (medscape.com)
  • WebNov 16, · Causes of Thigh Pain Pinched Spinal Nerve. (vff-s.ru)
  • In between spinal segments, the nerves that provide sensation for you buttock, thigh, and legs run nearby. (vff-s.ru)
  • Meralgia paresthetica (also known as lateral femoral cutaneous nerve entrapment) is a condition characterized by tingling, numbness and burning pain in your outer thigh. (vff-s.ru)
  • The knee is supplied by the popliteal artery and its branches, which arise from the femoral artery in the thigh. (toddkelleymd.com)
Branches17
  • citation needed] It is the smaller of the two terminal branches of the anterior trunk of the internal iliac artery. (wikipedia.org)
  • Inferior gluteal artery at the Duke University Health System's Orthopedics program Anatomy figure: 43:07-12 at Human Anatomy Online, SUNY Downstate Medical Center - "Sagittal view of the internal iliac artery and its branches in the female pelvis. (wikipedia.org)
  • The semimembranosus has been dissected to illustrate the entrance of branches of the sciatic nerve into the muscle. (stanford.edu)
  • The femoral vein runs alongside the femoral artery and also has many branches. (healthline.com)
  • It separates into its terminal branches about 6 cm proximal to the popliteal crease into the tibial nerve and the common peroneal nerve. (medscape.com)
  • Lee BH, Won R, Baik EJ, Lee SH, Moon CH. An animal model of neuropathic pain employing injury to the sciatic nerve branches. (medscidiscovery.com)
  • The nerves forming the sacral plexus converge toward the lower part of the greater sciatic foramen, and unite to form a flattened band, from the anterior and posterior surfaces of which several branches arise. (bartleby.com)
  • it also gives off a spinal branch, which enters the intervertebral foramen between the fifth lumbar vertebra and the sacrum, and is distributed like the spinal branches of the lumbar and the aortic intercostal arteries. (co.ma)
  • They then pass through the posterior sacral foramina, and anastomose on the back of the sacrum with branches of the superior and inferior gluteal arteries. (co.ma)
  • After giving off the iliolumbar and lateral sacral branches, the posterior division of the hypogastric artery is continued as the superior gluteal artery. (co.ma)
  • b) The deep terminal branch, accompanied by the superior gluteal nerve, runs forwards between the gluteus medius and minimus, and, after giving a nutrient branch to the ilium, subdivides into upper and lower branches. (co.ma)
  • It anastomoses with the deep circumflex iliac artery also, and it supplies muscular branches to the adjacent muscles. (co.ma)
  • Before leaving the pelvis the gluteal artery gives muscular branches to the pelvic diaphragm and the obturator internus, small neural branches to the roots of the sacral plexus, and nutrient branches to the hip-bone. (co.ma)
  • The anterior division gives off both parietal and visceral branches, and is continued as the umbilical artery. (co.ma)
  • The visceral branches include the superior and inferior vesical, and the middle hæmorrhoidal arteries in the male. (co.ma)
  • In the female the anterior division of the hypogastric artery gives off similar visceral branches, and, in addition, a uterine and a vaginal branch. (co.ma)
  • It passes medially to the upper part of the urinary bladder and divides into numerous branches which anastomose with the other vesical arteries, and it also gives small branches to the urachus, and often to the lower part of the ureter. (co.ma)
Deep femora1
Femoral nerve5
Greater sciatic2
  • It exits the pelvis through the greater sciatic foramen. (wikipedia.org)
  • It passes through the inferior part of the greater sciatic foramen. (wikipedia.org)
Semimembranosus1
  • citation needed] The inferior gluteal artery provides arterial supply to the gluteus maximus, obturator internus, quadratus femoris, and (the superior parts of) the hamstring muscles (semimembranosus, semitendinosus, and biceps femoris muscles). (wikipedia.org)
Pelvis4
  • The sciatic nerve has a common epineural sheath that envelops the nerve trunks of the tibial and common peroneal nerve from their origin in the pelvis. (medscape.com)
  • The anterior divisions of the upper four sacral nerves enter the pelvis through the anterior sacral foramina, that of the fifth between the sacrum and coccyx, while that of the coccygeal nerve curves forward below the rudimentary transverse process of the first piece of the coccyx. (bartleby.com)
  • It then crosses the ischial spine, reënters the pelvis through the lesser sciatic foramen, and pierces the pelvic surface of the Obturator internus. (bartleby.com)
  • The wound tract was 20-22 centimetres, cutting through the sciatic nerve, artery and veins in the left side of the pelvis, leading to catastrophic blood loss. (nottinghampost.com)
Iliac arteries1
Spinal nerves3
Pelvic4
  • When the erection is impossible or difficult to achieve, it can be a sign of clogged arteries in the pelvic area. (lifeadvancer.com)
  • Each receives a gray ramus communicans from the corresponding ganglion of the sympathetic trunk, while from the third and frequently from the second and the fourth sacral nerves, a white ramus communicans is given to the pelvic plexuses of the sympathetic. (bartleby.com)
  • This is a large vessel which pierces the pelvic fascia, and passes backwards, between the lumbo-sacral trunk and the first sacral nerve. (co.ma)
  • From the second, third, and fourth sacral nerves, a pelvic splanchnic nerve is given to the inferior hypogastric plexus. (medscape.com)
Sciatica3
Gluteal artery5
  • The inferior gluteal artery (sciatic artery) is a terminal branch of the anterior trunk of the internal iliac artery. (wikipedia.org)
  • It forms anastomoses with the superior gluteal artery. (wikipedia.org)
  • Superior gluteal artery This article incorporates text in the public domain from page 620 of the 20th edition of Gray's Anatomy (1918) Moore, Keith L. (wikipedia.org)
  • The superior branch accompanies the upper branch of the deep division of the superior gluteal artery and ends in the Glutæus minimus. (bartleby.com)
  • Dorsoglutal injections are the ones that result in the most injury to the gluteal artery or the sciatic nerve. (isarms.com)
Tendon2
  • The common peroneal nerve follows the tendon of the bicep femoris along the lateral margin of the popliteal fossa. (medscape.com)
  • A popliteal nerve block is indicated for pain control perioperatively or postoperatively below the patella, the distal two thirds of the lower extremity especially for the ankle or foot but works well for the calf and Achilles tendon. (medscape.com)
Vein6
Muscles3
  • It contains many muscles and nerves but only has one bone, the femur, which is the longest and strongest bone in the human body. (healthline.com)
  • Center illustration shows muscles, veins, nerves and arteries of the head and neck. (medicalexhibits.com)
  • It supplies the gluteal muscles, and anastomoses with the ascending branch of the lateral circumflex artery. (co.ma)
Lateral circumflex1
  • The upper branch, runs forwards along the origin of the gluteus minimus from the anterior curved line of the ilium, and passes beyond the anterior margins of the gluteus medius and minimus to anastomose, under cover of the tensor fascia latæ, with the ascending branch of the lateral circumflex artery. (co.ma)
Lumbar3
  • The Nerve to the Obturator Internus and Gemellus Superior arises from the ventral divisions of the fifth lumbar and first and second sacral nerves. (bartleby.com)
  • The superior gluteal nerve arises from the posterior divisions of the fourth and fifth lumbar and first sacral nerve roots. (medscape.com)
  • Herniated lumbar discs and low back arthritis may pinch on the nerves that exit your spinal column Spinal Stenosis. (vff-s.ru)
Gluteus2
  • It is accompanied by the sciatic nerve and the posterior femoral cutaneous nerves, and covered by the gluteus maximus. (wikipedia.org)
  • The lower branch passes more directly forwards, across the gluteus minimus, towards the trochanter major, along with the branch of the superior gluteal nerve which supplies the tensor fascia latæ. (co.ma)
Inferior gluteal1
  • The superior gluteal vessels run between the lumbosacral trunk and the first sacral nerve, and the inferior gluteal vessels between the second and third sacral nerves. (bartleby.com)
Veins and arteries2
  • Aries: Head and skull, blood flowing (Cardinal Mars) inside of veins and arteries, muscle tissue. (gold-titan.com)
  • Scorpio: Reproductive organs, blood sitting (Fixed Mars) outside of veins and arteries (bruising or blood loss), uterine lining and menstruation. (gold-titan.com)
Vascular5
  • While the general molecular principles of angiogenesis and peripheral nerve development have been described, how these two processes are coordinated to form the intranervous vascular system is virtually unknown. (elifesciences.org)
  • Using mouse genetic models, the authors show that Schwann cells regulate vascularization of the sciatic nerve and are required for a decrease in vascular density postnatally. (elifesciences.org)
  • Injury to the femoral artery may produce vascular deficiency in the lower extremity with dull aching pain, pallor, paresthesias, and coolness of the lower extremity. (amfs.com)
  • Signs of vascular or sciatic nerve injury may be present. (amfs.com)
  • 10 These cytokines trigger pro-inflammatory processes over time, leading to the release of vascular growth factors, neuropeptides, and β nerve growth factor. (dirjournal.org)
Compressed or irritated1
  • This occurs when the sciatic nerve, which runs from the lower back down to the legs, becomes compressed or irritated. (dossia.org)
Divides3
  • The sciatic nerve divides into the tibial and common peroneal nerve about 5-12 cm proximal to the popliteal crease. (medscape.com)
  • The anterior division of the third sacral nerve divides into an upper and a lower branch, the former entering the sacral and the latter the pudendal plexus. (bartleby.com)
  • The popliteal artery divides into the anterior and posterior tibial arteries, which continue into the leg. (toddkelleymd.com)
Pudendal1
  • The anterior divisions of the sacral and coccygeal nerves ( rami anteriores ) form the sacral and pudendal plexuses. (bartleby.com)
Tibial nerve4
Genicular3
  • In this study, published manuscripts were reviewed in the field of minimally invasive, image-guided interventions for OA-related knee pain, with a focus on genicular artery embolization, radiofrequency ablation, and cryoneurolysis. (dirjournal.org)
  • Minimally invasive options such as genicular artery embolization, radiofrequency ablation, and cryoneurolysis have been demonstrated to produce significant pain relief in randomized controlled trials, and although further research is required to fully characterize their place in OA-related pain treatment, the use of these treatments should be considered. (dirjournal.org)
  • The popliteal artery also gives off the genicular arteries, which form an anastomotic network around the knee joint. (toddkelleymd.com)
Anatomy4
Sacral nerve1
  • the anterior rami of the fifth sacral nerve enter between the sacrum and coccyx. (medscape.com)
Knee1
  • 5 The common pain experienced by people with knee OA is likely a result of a combination of factors, including chronic inflammation, mechanical stress, and the development of unmyelinated nerve fibers along sites of neovascularity and chronic inflammation. (dirjournal.org)
Branch5
  • Identify and shield the dorsal cutaneous branch of the ulnar nerve in the distal incision. (dnahelix.com)
  • The resultant neurologic deficit ranges from pain in the distribution of the sciatic nerve to loss of sensation in the posterior leg and foot and loss of dorsiflexion (peroneal branch) or plantar flexion (tibial branch) of the foot. (amfs.com)
  • It anastomoses with the lower branch and with the middle sacral artery. (co.ma)
  • It may in addition give off a middle vesical branch, and not infrequently the long slender artery to the ductus deferens arises from it. (co.ma)
  • This nerve gives an articular branch to the hip joint. (medscape.com)
Lower leg1
  • Other peripheral artery disease symptoms may include: Coldness in the lower leg or foot, especially when compared with the other side. (vff-s.ru)
Dissection1
  • these two nerves sometimes arise separately from the plexus, and in all cases their independence can be shown by dissection. (bartleby.com)
Blood vessels8
  • Peripheral nerves are vascularized by a dense network of blood vessels to guarantee their complex function. (elifesciences.org)
  • Despite the crucial role of vascularization to ensure nerve homeostasis and regeneration, the mechanisms governing nerve invasion by blood vessels remain poorly understood. (elifesciences.org)
  • We found, in mice, that the sciatic nerve invasion by blood vessels begins around embryonic day 16 and continues until birth. (elifesciences.org)
  • We show that, while the axon guidance molecule Netrin-1 promotes nerve invasion by blood vessels via the endothelial receptor UNC5B during embryogenesis, myelinated Schwann cells negatively control intra-nervous vascularization during post-natal period. (elifesciences.org)
  • To become functional, blood vessels mature and specialize by recruitment of mural cells and form a network of arteries, capillaries, and veins. (elifesciences.org)
  • An abnormal condition in nearby blood vessels may press on the nerve. (ecureme.com)
  • 5 New blood vessels may also contribute to the growth and development of new sensory nerve fibers. (dirjournal.org)
  • In this episode: Thoracic Outlet Syndrome (TOS) is compression of nerves or blood vessels near the neck and shoulder resulting in pain, numbness, weakness and sometimes cold and blue hands or fingers. (reboundclinic.com)
Peripheral nerves2
  • This manuscript focuses on the cellular and molecular mechanisms underlying intra-nervous vascularisation of peripheral nerves during embryogenesis and early postnatal development. (elifesciences.org)
  • Peripheral nerves, connecting the central nervous system (CNS) to the rest of the body, are composed of axons covered by myelinating and non-myelinating Schwann cells (SC). (elifesciences.org)
Psoas3
Outcomes1
  • DeLeonibus A, Rezaei M, Fahradyan V, Silver J, Rampazzo A, Bassiri Gharb B. A meta‐analysis of functional outcomes in rat sciatic nerve injury models. (medscidiscovery.com)