Plexus Lumbalis (Noun)
Meaning 1
A plexus of nerves formed by the ventral branches of the first four lumbar nerves.
Classification
Nouns denoting body parts.
Examples
- The plexus lumbalis is a complex network of nerves in the lower back that plays a crucial role in controlling various bodily functions.
- Damage to the plexus lumbalis can result in weakness, numbness, or paralysis of the lower extremities.
- The plexus lumbalis is formed by the ventral branches of the first four lumbar nerves, which arise from the spinal cord.
- During a lumbar plexus block, a local anesthetic is injected near the plexus lumbalis to numb the lower back and legs.
- The plexus lumbalis is an essential component of the peripheral nervous system, providing motor and sensory innervation to the lower back and legs.
Synonyms
Hypernyms
Meaning 2
A lymphatic plexus located along the lower portion of the aorta and iliac vessels.
Classification
Nouns denoting body parts.
Examples
- The plexus lumbalis is a complex network of lymphatic vessels surrounding the abdominal aorta and common iliac arteries.
- The plexus lumbalis plays a crucial role in draining lymph from the abdominal organs and lower limbs.
- Lymphatic fluid from the plexus lumbalis ultimately drains into the cisterna chyli, a reservoir of lymphatic fluid.
- Damage to the plexus lumbalis can lead to lymphedema, a condition characterized by swelling in the lower limbs.
- The plexus lumbalis is closely associated with the aortic and iliac lymph nodes, which filter lymphatic fluid before it enters the bloodstream.