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Sacral plexus

Index Sacral plexus

In human anatomy, the sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg and foot, and part of the pelvis. [1]

100 relations: Abductor digiti minimi muscle of foot, Abductor hallucis muscle, Adductor hallucis muscle, Adductor magnus muscle, Anococcygeal nerve, Biceps femoris muscle, Brachial plexus, Bulbospongiosus muscle, Cervical plexus, Coccygeal plexus, Coccygeus muscle, Common peroneal nerve, Deep peroneal nerve, Dorsal interossei of the foot, Dorsal nerve of the clitoris, Dorsal nerve of the penis, Extensor digitorum brevis muscle, Extensor digitorum longus muscle, Extensor hallucis brevis muscle, Extensor hallucis longus muscle, External anal sphincter, Flexor digiti minimi brevis muscle (foot), Flexor digitorum brevis muscle, Flexor digitorum longus muscle, Flexor hallucis brevis muscle, Flexor hallucis longus muscle, Gluteus maximus, Gluteus medius, Gluteus minimus, Greater sciatic foramen, Human body, Inferior anal nerves, Inferior cluneal nerves, Inferior gemellus muscle, Inferior gluteal artery, Inferior gluteal nerve, Intermediate dorsal cutaneous nerve, Internal iliac artery, Internal iliac vein, Internal obturator muscle, Ischiocavernosus muscle, Lateral dorsal cutaneous nerve, Lateral plantar nerve, Lateral sural cutaneous nerve, Levator ani, Lumbar plexus, Lumbar vertebrae, Lumbosacral plexus, Lumbosacral trunk, Lumbricals of the foot, ..., Medial calcaneal branches of the tibial nerve, Medial dorsal cutaneous nerve, Medial plantar nerve, Medial sural cutaneous nerve, Nerve plexus, Nerve to quadratus femoris, Obturator internus nerve, Pelvic fascia, Pelvic floor, Pelvis, Perineal branches of posterior femoral cutaneous nerve, Perineal nerve, Peroneus brevis, Peroneus longus, Peroneus tertius, Piriformis muscle, Piriformis nerve, Plantar interossei muscles, Plantaris muscle, Plexopathy, Popliteus muscle, Posterior cutaneous nerve of thigh, Posterior labial nerves, Posterior scrotal nerves, Proper plantar digital nerves of lateral plantar nerve, Proper plantar digital nerves of medial plantar nerve, Pudendal nerve, Pudendal plexus (nerves), Quadratus femoris muscle, Quadratus plantae muscle, Sacrum, Sciatic nerve, Semimembranosus muscle, Semitendinosus muscle, Sigmoid colon, Spinal nerve, Superficial peroneal nerve, Superior gemellus muscle, Superior gluteal artery, Superior gluteal nerve, Sural communicating branch of common peroneal nerve, Tensor fasciae latae muscle, Tibial nerve, Tibialis anterior muscle, Tibialis posterior muscle, Transverse perineal muscles, Triceps surae muscle, Ureter, Urethral sphincters, Ventral ramus of spinal nerve. Expand index (50 more) »

Abductor digiti minimi muscle of foot

The abductor digiti minimi (abductor minimi digiti, abductor digiti quinti) is a muscle which lies along the lateral (outer) border of the foot, and is in relation by its medial margin with the lateral plantar artery, vein and nerves.

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Abductor hallucis muscle

The abductor hallucis muscle is an intrinsic muscle of the foot.

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Adductor hallucis muscle

The Adductor hallucis (Adductor obliquus hallucis) arises by two heads—oblique and transverse and is responsible for adducting the big toe. It has two heads, both are innervated by the lateral plantar nerve.

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Adductor magnus muscle

The adductor magnus is a large triangular muscle, situated on the medial side of the thigh.

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Anococcygeal nerve

The anococcygeal nerve is a nerve in the pelvis which provides sensory innervation to the skin over the coccyx.

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Biceps femoris muscle

The biceps femoris is a muscle of the thigh located to the posterior, or back.

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Brachial plexus

The brachial plexus is a network of nerves formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).

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Bulbospongiosus muscle

The bulbospongiosus muscle (bulbocavernosus in older texts) is one of the superficial muscles of the perineum.

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Cervical plexus

The cervical plexus is a plexus of the anterior rami of the first four cervical spinal nerves which arise from C1 to C4 cervical segment in the neck.

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Coccygeal plexus

The coccygeal plexus is a plexus of nerves near the coccyx bone.

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Coccygeus muscle

The Coccygeus is a muscle of the pelvic floor, located posterior to levator ani and anterior to the sacrospinous ligament.

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Common peroneal nerve

The common peroneal nerve (common fibular nerve; external popliteal nerve; lateral popliteal nerve) is a nerve in the lower leg that provides sensation over the posterolateral part of the leg and the knee joint.

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Deep peroneal nerve

The deep peroneal nerve (deep fibular nerve) begins at the bifurcation of the common peroneal nerve between the fibula and upper part of the peroneus longus, passes infero-medially, deep to extensor digitorum longus, to the anterior surface of the interosseous membrane, and comes into relation with the anterior tibial artery above the middle of the leg; it then descends with the artery to the front of the ankle-joint, where it divides into a lateral and a medial terminal branch.

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Dorsal interossei of the foot

In human anatomy, the dorsal interossei of the foot are four muscles situated between the metatarsal bones.

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Dorsal nerve of the clitoris

The dorsal nerve of the clitoris is a nerve in females that branches off the pudendal nerve to innervate the clitoris.

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Dorsal nerve of the penis

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 urogenital diaphragm.

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Extensor digitorum brevis muscle

The extensor digitorum brevis muscle (sometimes EDB) is a muscle on the upper surface of the foot that helps extend digits 1 through 4.

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Extensor digitorum longus muscle

The extensor digitorum longus is a pennate muscle, situated at the lateral part of the front of the leg.

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Extensor hallucis brevis muscle

The extensor hallucis brevis is a muscle on the top of the foot that helps to extend the big toe.

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Extensor hallucis longus muscle

The Extensor hallucis longus is a thin muscle, situated between the Tibialis anterior and the Extensor digitorum longus, that functions to extend the big toe and dorsiflex the foot, and assists with foot eversion and inversion.

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External anal sphincter

The external anal sphincter (or sphincter ani externus) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the skin surrounding the margin of the anus.

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Flexor digiti minimi brevis muscle (foot)

The Flexor digiti minimi brevis (Flexor brevis minimi digiti, Flexor digiti quinti brevis) lies under the metatarsal bone on the little toe, and resembles one of the Interossei.

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Flexor digitorum brevis muscle

The flexor digitorum brevis lies in the middle of the sole of the foot, immediately above the central part of the plantar aponeurosis, with which it is firmly united.

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Flexor digitorum longus muscle

The flexor digitorum longus is situated on the tibial side of the leg.

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Flexor hallucis brevis muscle

The Flexor hallucis brevis is a muscle of the foot that flexes the big toe.

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Flexor hallucis longus muscle

The flexor hallucis longus muscle (FHL) is one of the three deep muscles of the posterior compartment of the leg that attaches to the plantar surface of the distal phalanx of the great toe.

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Gluteus maximus

The gluteus maximus (also known collectively with the gluteus medius and minimus, as the gluteal muscles, and sometimes referred to informally as the "glutes") is the main extensor muscle of the hip.

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Gluteus medius

The gluteus medius one of the three gluteal muscles, is a broad, thick, radiating muscle, situated on the outer surface of the pelvis.

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Gluteus minimus

The gluteus minimus (or glutæus minimus), the smallest of the three gluteal muscles, is situated immediately beneath the gluteus medius.

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Greater sciatic foramen

The greater sciatic foramen is an opening (foramen) in the posterior human pelvis.

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Human body

The human body is the entire structure of a human being.

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Inferior anal nerves

The Inferior rectal nerves (inferior anal nerves, inferior hemorrhoidal nerve) usually branch from the pudendal nerve but occasionally arises directly from the sacral plexus; they cross the ischiorectal fossa along with the inferior rectal artery and veins, toward the anal canal and the lower end of the rectum, and is distributed to the Sphincter ani externus (external anal sphincter, EAS) and to the integument (skin) around the anus.

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Inferior cluneal nerves

The inferior clunial nerves (also called gluteal branches of posterior femoral cutaneous nerve) innervate the skin of the lower part of the buttocks.

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Inferior gemellus muscle

The inferior gemellus muscle is a muscle of the human body.

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Inferior gluteal artery

The inferior gluteal artery (sciatic artery), the smaller of the two terminal branches of the anterior trunk of the internal iliac artery, is distributed chiefly to the buttock and back of the thigh.

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Inferior gluteal nerve

The inferior gluteal nerve is the main motor neuron that innervates the gluteus maximus muscle.

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Intermediate dorsal cutaneous nerve

The intermediate dorsal cutaneous nerve (external dorsal cutaneous branch), the smaller, passes along the lateral part of the dorsum of the foot, and divides into dorsal digital branches, which supply the contiguous sides of the third and fourth, and of the fourth and fifth toes.

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Internal iliac artery

The internal iliac artery (formerly known as the hypogastric artery) is the main artery of the pelvis.

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Internal iliac vein

The internal iliac vein (hypogastric vein) begins near the upper part of the greater sciatic foramen, passes upward behind and slightly medial to the Internal iliac artery and, at the brim of the pelvis, joins with the external iliac vein to form the common iliac vein.

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Internal obturator muscle

The internal obturator muscle or obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis.

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Ischiocavernosus muscle

The ischiocavernosus muscle is a muscle just below the surface of the perineum, present in both men and women.

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Lateral dorsal cutaneous nerve

The lateral dorsal cutaneous nerve is a cutaneous branch of the foot.

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Lateral plantar nerve

The lateral plantar nerve (external plantar nerve) is a branch of the tibial nerve, in turn a branch of the sciatic nerve and 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.

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Lateral sural cutaneous nerve

The lateral sural cutaneous nerve (lateral cutaneous branch of the sural nerve) supplies the skin on the posterior and lateral surfaces of the leg.

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Levator ani

The levator ani is a broad, thin muscle, situated on either side of the pelvis.

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Lumbar plexus

The lumbar plexus is a web of nerves (a nervous plexus) in the lumbar region of the body which forms part of the larger lumbosacral plexus.

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Lumbar vertebrae

The lumbar vertebrae are, in human anatomy, the five vertebrae between the rib cage and the pelvis.

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Lumbosacral plexus

The anterior divisions of the lumbar nerves, sacral nerves, and coccygeal nerve form the lumbosacral plexus, the first lumbar nerve being frequently joined by a branch from the twelfth thoracic.

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Lumbosacral trunk

The lumbosacral trunk is nervous tissue that connects the lumbar plexus with the sacral plexus.

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Lumbricals of the foot

The lumbricals are four small skeletal muscles, accessory to the tendons of the flexor digitorum longus and numbered from the medial side of the foot; they arise from these tendons, as far back as their angles of division, each springing from two tendons, except the first.So the first lumbricle is unipenate and second, third and fourth are bipenate.

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Medial calcaneal branches of the tibial nerve

The medial calcaneal branches of the tibial nerve (internal calcaneal branches) perforate the laciniate ligament, and supply the skin of the heel and medial side of the sole of the foot.

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Medial dorsal cutaneous nerve

The medial dorsal cutaneous nerve (internal dorsal cutaneous branch) passes in front of the ankle-joint, and divides into two dorsal digital branches, one of which supplies the medial side of the great toe, the other, the adjacent side of the second and third toes.

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Medial plantar nerve

The medial plantar nerve (internal plantar nerve) is the larger of the two terminal divisions of the tibial nerve (medial and lateral plantar nerve), which accompanies the medial plantar artery.

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Medial sural cutaneous nerve

The medial sural cutaneous nerve originates from the tibial nerve of the sciatic, descends between the two heads of the Gastrocnemius, and, about the middle of the back of the leg, pierces the deep fascia, and unites with the anastomotic ramus of the common peroneal to form the sural nerve.

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Nerve plexus

A nerve plexus is a plexus (branching network) of intersecting nerves.

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Nerve to quadratus femoris

The nerve to quadratus femoris is a nerve that provides innervation to the quadratus femoris and gemellus inferior muscles.

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Obturator internus nerve

The nerve to obturator internus is a nerve that innervates the obturator internus and gemellus superior muscles.

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Pelvic fascia

The pelvic fasciae are the fascia of the pelvis and can be divided into.

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Pelvic floor

The pelvic floor or pelvic diaphragm is composed of muscle fibers of the levator ani, the coccygeus muscle, and associated connective tissue which span the area underneath the pelvis.

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Pelvis

The pelvis (plural pelves or pelvises) is either the lower part of the trunk of the human body between the abdomen and the thighs (sometimes also called pelvic region of the trunk) or the skeleton embedded in it (sometimes also called bony pelvis, or pelvic skeleton).

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Perineal branches of posterior femoral cutaneous nerve

The perineal branches of the posterior femoral cutaneous nerve are distributed to the skin at the upper and medial side of the thigh.

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Perineal nerve

The perineal nerve is a nerve arising from the pudendal nerve that supplies the perineum.

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Peroneus brevis

The peroneus brevis muscle (or fibularis brevis) lies under cover of the peroneus longus, and is the shorter and smaller of the peroneus muscles.

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Peroneus longus

In human anatomy, the peroneus longus (also known as fibularis longus) is a superficial muscle in the lateral compartment of the leg, and acts to evert and plantarflex the ankle.

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Peroneus tertius

The peroneus tertius (also known as fibularis tertius) is a muscle of the human body located in the lower limb.

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Piriformis muscle

The piriformis is a muscle in the gluteal region of the lower limb.

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Piriformis nerve

The nerve to piriformis is the peripheral nerve that innervates the piriformis muscle.

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Plantar interossei muscles

In human anatomy, plantar interossei muscles are three muscles located between the metatarsal bones in the foot.

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Plantaris muscle

The plantaris is one of the superficial muscles of the superficial posterior compartment of the leg, one of the fascial compartments of the leg.

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Plexopathy

Plexopathy is a disorder affecting a network of nerves, blood vessels, or lymph vessels.

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Popliteus muscle

The popliteus muscle in the leg is used for unlocking the knees when walking, by laterally rotating the femur on the tibia during the closed chain portion of the gait cycle (one with the foot in contact with the ground).

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Posterior cutaneous nerve of thigh

The posterior cutaneous nerve of the thigh (also called the posterior femoral cutaneous nerve) provides innervation to the skin of the posterior surface of the thigh and leg, as well as to the skin of the perineum.

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Posterior labial nerves

The posterior labial nerves are branches of the pudendal nerve.

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Posterior scrotal nerves

The posterior scrotal branches (in men) or posterior labial branches (in women) are two in number, medial and lateral.

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Proper plantar digital nerves of lateral plantar nerve

The proper plantar digital nerves of lateral plantar nerve are nerves of the foot that arise from the superficial branch of the lateral plantar nerve.

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Proper plantar digital nerves of medial plantar nerve

The proper plantar digital nerves of medial plantar nerve are nerves of the foot.

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Pudendal nerve

The pudendal nerve is the main nerve of the perineum.

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Pudendal plexus (nerves)

The pudendal plexus is a term used for a compound structure consisting of sacral spinal nerves.

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Quadratus femoris muscle

The quadratus femoris is a flat, quadrilateral skeletal muscle.

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Quadratus plantae muscle

The quadratus plantae (flexor accessorius) is separated from the muscles of the first layer by the lateral plantar vessels and nerve.

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Sacrum

The sacrum (or; plural: sacra or sacrums) in human anatomy is a large, triangular bone at the base of the spine, that forms by the fusing of sacral vertebrae S1S5 between 18 and 30years of age.

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Sciatic nerve

The sciatic nerve (also called ischiadic nerve, ischiatic nerve) is a large nerve in humans and animals.

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Semimembranosus muscle

The semimembranosus is the most medial of the three hamstring muscles.

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Semitendinosus muscle

The semitendinosus is a long superficial muscle in the back of the thigh.

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Sigmoid colon

The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus.

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Spinal nerve

A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body.

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Superficial peroneal nerve

The superficial peroneal nerve or superior fibular nerve, innervates the peroneus longus and peroneus brevis muscles and the skin over the antero-lateral aspect of the leg along with the greater part of the dorsum of the foot (with the exception of the first web space, which is innervated by the deep peroneal nerve).

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Superior gemellus muscle

The superior gemellus muscle is a muscle of the human body.

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Superior gluteal artery

The superior gluteal artery is the largest branch of the internal iliac artery, and appears to be the continuation of the posterior division of that vessel.

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Superior gluteal nerve

The superior gluteal nerve is a nerve that originates in the pelvis and supplies the gluteus medius, the gluteus minimus and the tensor fasciae latae muscle.

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Sural communicating branch of common peroneal nerve

The sural communicating branch of common peroneal nerve is a nerve which gives rise to the sural nerve.

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Tensor fasciae latae muscle

The tensor fasciae latae (or tensor fasciæ latæ) is a muscle of the thigh.

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Tibial nerve

The tibial nerve is a branch of the sciatic nerve.

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Tibialis anterior muscle

The tibialis anterior is a muscle in humans that originates in the upper two-thirds of the lateral (outside) surface of the tibia and inserts into the medial cuneiform and first metatarsal bones of the foot.

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Tibialis posterior muscle

The tibialis posterior is the most central of all the leg muscles, and is located in the deep posterior compartment of the leg.

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Transverse perineal muscles

The transverse perineal muscles (transversus perinei) are the superficial and the deep transverse perineal muscles.

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Triceps surae muscle

The triceps surae is a pair of muscles located at the calf - the two-headed gastrocnemius and the soleus.

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Ureter

In human anatomy, the ureters are tubes made of smooth muscle fibers that propel urine from the kidneys to the urinary bladder.

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Urethral sphincters

The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra.

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Ventral ramus of spinal nerve

The ventral ramus (pl. rami) (Latin for branch) is the anterior division of a spinal nerve.

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Redirects here:

Plexus sacralis, Sacral plexopathy, Sacral plexuses.

References

[1] https://en.wikipedia.org/wiki/Sacral_plexus

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