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Obturator internus nerve

Index Obturator internus nerve

The nerve to obturator internus is a nerve that innervates the obturator internus and gemellus superior muscles. [1]

12 relations: Internal obturator muscle, Ischial spine, Lesser sciatic foramen, Lumbar, Nerve, Nerve to quadratus femoris, Obturator nerve, Piriformis muscle, Pudendal plexus (nerves), Sacral plexus, Spinal nerve, Superior gemellus muscle.

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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Ischial spine

From the posterior border of the body of the Ischium there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.

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Lesser sciatic foramen

The lesser sciatic foramen is an opening (foramen) between the pelvis and the back of the thigh.

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Lumbar

In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum. The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity.

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Nerve

A nerve is an enclosed, cable-like bundle of axons (nerve fibers, the long and slender projections of neurons) in the peripheral nervous system.

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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 nerve

The obturator nerve in human anatomy arises 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 the second is often very small.

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Piriformis muscle

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

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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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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.

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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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Superior gemellus muscle

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

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Redirects here:

Nerve to obturator internus, Nerve to the Obturator internus and Gemellus superior, Nerve to the obturator internus, Nerve to the obturator internus and gemellus superior, Nerve to the obturator internus muscle, Nervus musculi obturatorii interni, Obturator internus nerves.

References

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

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