Word: Lumbar vertebra
Part of Speech: Noun
Definition: A lumbar vertebra is one of the five bones in your lower back. These bones form part of your spine (the backbone) and are located between the rib area and the sacrum (the triangular bone at the base of your spine).
Explanation: The human spine is made up of many small bones called vertebrae. The lumbar vertebrae are the five largest and strongest vertebrae because they support most of your body weight and allow for movement in the lower back. They are numbered from L1 to L5, starting from the top.
Usage Instructions: You can use "lumbar vertebra" when talking about the anatomy of the spine, particularly in discussions about back pain, injuries, or medical conditions. It is a more technical term, often used in medical or health-related contexts.
Example Sentence: The doctor explained that the pain in my lower back was due to a problem with my lumbar vertebrae.
In advanced discussions, you might hear terms like "lumbar lordosis," which refers to the natural curve of the lumbar region, or "lumbar puncture," a medical procedure involving the lumbar region.
While there aren’t specific idioms or phrasal verbs that directly use "lumbar vertebra," you may come across phrases like “to have a stiff back” or “to throw out your back," which can relate to issues involving the lumbar region.
In summary, "lumbar vertebra" refers to one of the five important bones in the lower back that supports your body and allows for movement.