Inferior rectal nerve



inferior rectal nerve n.
Any of several branches of the pudendal nerve that pass to the external sphincter muscle of the anus and that supply the skin of the anal region.

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  • Inferior rectal vein

    inferior rectal vein n. Any of the veins that pass to the internal pudendal vein from the venous plexus around the anal canal.

  • Inferior rectus muscle

    inferior rectus muscle n. A muscle with origin from the inferior part of the tendinous ring, with insertion into the sclera of the eye, with nerve supply from the oculomotor nerve, and whose action directs the pupil downward and medialward.



  • Inferior sagittal sinus

    inferior sagittal sinus n. An unpaired dural sinus in the lower margin of the falx cerebri.

  • Inferior salivary nucleus

    inferior salivary nucleus n. A group of preganglionic parasympathetic motor neurons located in the medulla oblongata dorsal to the ambiguous nucleus; its axons govern secretion from the parotid gland by way of the otic ganglion.



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