Corpus: Sacral ganglia
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Synonyms: Sacral ganglion, coccygeal ganglion
English:
Definition[Bearbeiten]
The pelvic ganglia or sacral ganglia belong to the paravertebral ganglia of the border cord. There are normally 4-5 ganglia on both sides of the sacral section of the borderline cord.
Anatomy[Bearbeiten]
The sacral ganglia are connected to the spinal nerves via rami communicantes grisei. They merge into the sacral splanchnic nerves, which run to the inferior hypogastric plexus and innervate the blood vessels and sweat glands of the lower extremity.
Near the coccygeal bone, the right and left border cords merge to form the impar ganglion.
The core areas of the preganglionic neurones of the sacral ganglia are not located in the sacral spinal cord segments (S1-S5), but cranial to them, as the sympathetic nucleus (nucleus intermediolateralis) in the lateral horn of the spinal cord only extends as far as segment L2 or L3.
Clinic[Bearbeiten]
Recurrent genital herpes is caused by herpes simplex viruses that persist latently in the nerve cells of the pelvic ganglia.