Category: L

A joint at the bottom of the back between the lumbar vertebrae and the sacrum.  

Referring to both the lumbar vertebrae and the sacrum. To the loins (small-of-the-back area) and sacrum (the back part of the pelvis between the hips). Relating to part of the spine composed of the lumbar vertebrae and the sacrum. To the lumbar vertebrae and the sacrum. When referencing the lower portion of the backbone or…

Each of the five vertebrae between the thoracic vertebrae and the sacrum. There are five lumbar vertebrae in the lower spinal coluum between the thoracic vertebrae and the sacrum. One of the five vertebrae between the thoracic vertebrae and the sacrum.  

The wider part of the spinal cord in the lower spine, where the nerves of the lower limbs are attached.  

A subarachnoid space in the spinal cord, where the dura mater ends, filled with cerebrospinal fluid. In the subarachnoid space of the vertebral column, the fluid-filled space between the end of the spinal cord (vertebral level L1-L2 in adults) and the end of the arachnoid-dural membrane (vertebral level S2).  

One of four arteries which supply blood to the back muscles and skin. One of several branches of the abdominal aorta that run toward the lumbar spine and supply blood to the vertebral bodies and muscles of the lower back and to the posterior wall of the abdomen.  

Cellulitis of the mouth and some parts of the neck which causes the neck to swell and may obstruct the airway [Described 1836. After Wilhelm Friedrich von Ludwig (1790-1865), Professor of Surgery and Midwifery at Tubingen, Germany, and Court Physician to King Frederick II) An acute bacterial infection that involves inflammation and swelling of the…

A period of clear thinking which occurs between two periods of unconsciousness or of mental illness. A temporary restoration of consciousness after a person has been rendered unconscious from a blow to the head. The victim subsequently relapses into coma. This is a sign of raised intracranial pressure from arterial bleeding and indicates that surgery may…

With a clearly working mind. Clear, understandable (e.g., a lucid statement), n. lucidity.  

A jelly used to make a surface slippery.