Definition

1. Noun:
   • A network of nerves surrounding the aorta: The "aortic plexus" is a complex network of autonomic nerve fibers that surrounds the abdominal aorta. It is involved in regulating the function of abdominal organs.
   • A network of lymph nodes near the aorta: In anatomical contexts, "aortic plexus" can also refer to a network or group of lymph nodes located along the lower part of the abdominal aorta.

Usage Examples

• Noun:
  • The surgeon carefully avoided the aortic plexus during the procedure. (The surgeon carefully avoided the network of nerves around the aorta during the procedure.)
  • Metastasis was detected in the aortic plexus. (The spread of cancer was found in the group of lymph nodes near the aorta.)

Advanced Usage

• "Preaortic plexus": A specific subdivision of the aortic plexus located in front of the aorta.
  • The preaortic plexus is crucial for innervating the digestive organs.

Variants and Related Words

• Coeliac plexus (n): Also known as the solar plexus, a major network of nerves in the abdomen that is closely associated with the aortic plexus.
  • The coeliac plexus is often targeted for pain management.

Synonyms

• Peri-aortic nerve network: A descriptive synonym emphasizing the location around the aorta.
• Lumbar aortic lymph nodes: A more specific term when referring to the lymphatic meaning.

Notes on Meaning

• The term "aortic plexus" has two distinct anatomical meanings: one neurological and one lymphatic. The specific meaning is determined by the medical or biological context. The neurological definition (nerve network) is more commonly the primary meaning in general anatomical texts.

Noun

1. a plexus of lymph nodes in the lower portion of the abdominal aorta