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The median plane also called a mid-sagittal plane is used to describe the
sagittal plane The sagittal plane (; also known as the longitudinal plane) is an anatomical plane that divides the body into right and left sections. It is perpendicular to the transverse and coronal planes. The plane may be in the center of the body and divid ...
as it bisects the body vertically through the midline marked by the
navel The navel (clinically known as the umbilicus, commonly known as the belly button or tummy button) is a protruding, flat, or hollowed area on the abdomen at the attachment site of the umbilical cord. All placental mammals have a navel, altho ...
, dividing the body exactly in left and right side. The term parasagittal plane is used to refer to any plane parallel to the sagittal and median plane. It is one of the lines used to define the right upper quadrant of the human abdomen. The
midsternal line The Midsternal line is used to describe a part of the surface anatomy of the anterior thorax. The midsternal line runs vertical down the middle of the sternum. It can be interpreted as a component of the median plane. See also * Midclavicular l ...
can be interpreted as a segment of the median plane. File:Sagittal brain MRI.jpg, Median plane
magnetic resonance imaging Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio wave ...
of the head. File:Median plane CT scan of a pregnancy of 37 weeks of gestational age.jpg, Median plane CT scan of a pregnant woman. The fetus (exposed in the
coronal plane The coronal plane (also known as the frontal plane) is an anatomical plane that divides the body into dorsal and ventral sections. It is perpendicular to the sagittal and transverse planes. Details The coronal plane is an example of a longitud ...
) is 37 weeks of gestational age.
{{Anatomical planes Abdomen