Laser
An acronym of light amplification by stimulated emission of radiation.
Lateral
In radiology, slang for a lateral X-ray.
Lateral View
On the side.
LBM
Lean body mass.
LDL
Low-density lipoproteins
Lethargy
Sluggishness, drowsiness, indifference.
LH
The luteinizing hormone.
LHRH
The Luteinizing Hormone Releasing Hormone; another name for GnRH.
LIF
Leukemia inhibiting factor.
Local
In the area of the tumor; confined to one specific area.
Lumbar Puncture
Spinal tap. Needle penetration into the subarachnoid space of the lumbar spine.
Lumen, Pl. Lumina, Lumens
The space in the interior of a tubular structure, such as an artery or the intestine.
Lymph
A clear, transparent, sometimes faintly yellow and slightly opalescent fluid that is collected from the tissues throughout the body
