Abstract

AbstractEighty‐six White Leghorn chickens were examined in a study of the neural components of the hen's uterus (shell gland). All nerves supplying the uterus were found to originate from only the left side of the body.Contributions from the sympathetic nervous system were supplied by the hypogastric nerve, which is the direct continuation of the aortic plexus, coursing along the hypogastric artery to the uterus. The parasympathetic pelvic nerves originate from the pelvic visceral rami of spinal nerves 30 — 33. The several ganglia and numerous nerves situated along the left pelvic nerve compose the left pelvic plexus. Nerves emanating from the left pelvic plexus course along the middle uterine and posterior uterine arteries to their termination on the uterus. The ganglia situated on the right pelvic nerve are not considered to constitute a right pelvic plexus, as they make no direct contribution to the reproductive system.

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