Lumbar Anatomy Definition

Medical definition of lumbar. 24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone.

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Lumbar spine lower back anatomy and function.

Lumbar anatomy definition. The lumbar region is sometimes referred to as the lower spine or as an area of the back in its proximity. Lumbar of or relating to or near the part of the back between the ribs and the hipbones. 5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5.

Lumbar puncture introduction of a hollow needle into the subarachnoid space of the spinal canal usually between the fourth and fifth lumbar vertebrae. In tetrapod anatomy lumbar is an adjective that means of or pertaining to the abdominal segment of the torso between the diaphragm and the sacrum. See also cisternal puncture.

Any of the vertebrae situated between the thoracic vertebrae above and the sacrum below that in humans are five in number. Medical definition of lumbar vertebra. Drawing the fourth line from previous point to spinal process of last vertebrae of lumbar region.

Called also spinal puncture. The vertebrae seem to be chained together. The lumbar vertebrae and their disks are situated below the thoracic vertebrae and above the sacral vertebrae in the spinal column and are surrounded by soft tissues including ligaments and large muscles.

The spinal column is made up of 26 bones. Referring to the five lumbar vertebrae the disks below them and the corresponding area of the lower back. The lumbar region is often selected since it is close to the body center of mass in a standing posture.

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