The lumbar ganglia are usually four in number; they lie on the anterior surface of the bodies of the upper lumbar vertebrae, along the medial margin of the psoas, and in front of the lumbar vessels.
(a) Central. (1) White rami communicantes, from the anterior primary division of the first two lumbar nerves. (2) Grey rami communicantes, to the anterior primary divisions of the lumbar nerves.
(b) Peripheral. Aortic, to the abdominal aorta and the aortic plexus.
(a) Vaso-motor fibres of the penis.
(b) Motor fibres to bladder.
(c) Motor fibres to uterus.