Category: L

Any stimulus or event that makes a person seek or receive medical attention, such as a symptom, a physical finding, or the need for a routine or required health screening examination.  

A narrowing of the spinal canal caused by degenerative or traumatic changes at the level of the lumbar vertebrae. This condition causes back pain, often associated with pain that radiates into the legs, especially when the patient is standing. Sitting often relieves the pain. The diagnosis is performed by spinal imaging (e.g., computed tomography or…

A starlike structure developing in the lens of the eye as a result of unequal growth of lens fibers.  

The largest angle from vertical that can be reached and maintained before balance is lost. In normal adults, the sagittal plane limit is 12 degrees and the coronal plane limit is 16 degrees.  

A splint of perforated metal extending from below the elbow to the end of the palm; shaped to fit the arm and hand.  

A distensible lung interstitial tissue surrounding the acinus and terminal bronchioles.  

The slope of the crest of the mandibular residual ridge from the third molar forward as viewed in profile.  

A pathway for lymph through a lymph node.  

Holding a clenched fist over the sternum, a characteristic gesture that individuals experiencing anginal chest pain use frequently.  

The passage of blood from the left side of the heart to the right side through an abnormal opening (e.g., a septal defect).