Dictionary > Sagittal plane

Sagittal plane

Definition
noun
(anatomy) A plane traversing the direction from top to bottom, resulting in the formation of left and right portions
Supplement
A sagittal plane is used in anatomy to refer to a plane that is traversing the direction from top to bottom, and therefore, forms left and right sections especially in the body of a bilaterally symmetrical animal.
Related terms are mid-sagittal plane and parasagittal plane. The mid-sagittal plane is a plane passing vertically through the midline, subsequently dividing the body into left and right halves of equal proportion particularly in a body exhibiting bilateral symmetry. In human body, a midsagittal plane is one that is passing through the midline structures such as the navel and spine. Together with umbilical plane, the mid-sagittal plane forms the four quadrants of the human abdomen.1
The parasagittal plane is the term used to refer to a plane situated alongside or parallel to the sagittal plane, but not including the median plane passing through the midline. An example is the midclavicular line crossing through the clavicle.
See also:

Related term(s):

  • sagittal
  • parasagittal plane
  • midsagittal plane
  • Reference(s):

    1 Kapit, W. (2014). The anatomy coloring book. San Francisco: Pearson.


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