Letter L
LOBAR
Adjective. Related to a lobe of the lung. The right lung is divided into the right upper lobe, right middle lobe and right lower lobe. The left lung is divided into the left upper lobe, lingula and left lower lobe.
LOBAR (brain)
A term used to describe a process related to a part of the brain.
LOBE
A part of the brain. There are many different lobes including the frontal, parietal, occipital, and temporal lobes.
LOCULATED
Something that is trapped and not freely moving around. Usually refers to fluid/water which is trapped.
LORDOSIS
Describes the normal curvature of the spine and usually refers to the lumbar or back area. Can also describe the normal curvature of the upper or cervical spine.
LUCENT
Adjective. It describes a “darker” appearance of the lungs.
LUMBAR
The lower back. Is composed of 5 vertebrae.
LUMEN
Inside of a tubular structure. For example, inside of intestine is called lumen.
LUMINAL
Anything related to inside of a tubular structure (see lumen above).
LUMPECTOMY
Surgical removal of a breast mass. This removes only a portion of the breast along with the mass. This can be called “partial mastectomy”.
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