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An anatomical plane is a hypothetical plane used to transect the body, in order to describe the location of structures or the direction of movements. In human and non-human anatomy, three principal planes are used: The sagittal plane or lateral plane (longitudinal, anteroposterior) is a plane parallel to the sagittal suture. It divides the body ...
This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. As part of defining and describing terms, the body is described through the use of anatomical planes and anatomical axes. The meaning of terms that are used can change depending on whether an organism is bipedal or quadrupedal.
The frontal plane is the plane that divides the body or an organ into an anterior (front) portion and a posterior (rear) portion. The frontal plane is often referred to as a coronal plane, following Latin corona, which means "crown". [1] The transverse plane is the plane that divides the body or organ horizontally into upper and lower portions ...
The term parasagittal is used to describe any plane parallel or adjacent to a given sagittal plane. [5] Specific named parasagittal planes include: The midclavicular line crosses through the clavicle. Lateral sternal and parasternal planes. [6] The term sagittal derives from the Latin word sagitta, meaning "arrow".
Another name for the plane is the auriculo-orbital plane. Note that in the normal subject, both orbitales and both porions lie in a single plane. However, due to pathology, this is not always the case. The formal definition specifies only the three points listed above, sufficient to describe a plane in three-dimensional space.
The supracristal plane. Located at the level of L4; Marks bifurcation of aorta; Most superior aspect of iliac crest; The intertubercular plane (a.k.a. Transtubercular plane) Located at the level of L5; Marks origin of IVC; The interspinous plane. Transverse plane which transverses the anterior superior iliac spines. Typically located at the ...
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For a human, the mid-coronal plane would transect a standing body into two halves (front and back, or anterior and posterior) in an imaginary line that cuts through both shoulders. The description of the coronal plane applies to most animals as well as humans even though humans walk upright and the various planes are usually shown in the ...