Sagittal plane

Sagittal plane

Sagittal plane is a vertical plane which passes from ventral (front) to dorsal (rear) dividing the body into right and left halves.

CT of a normal brain, sagittal

The sagittal plane is a fundamental plane of reference in anatomy and is essential for understanding the spatial orientation of anatomical structures. Its primary significance lies in its ability to divide the body into symmetrical left and right portions. This plane plays a critical role in diagnostic imaging procedures and anatomical studies, as it allows for a clearer view of structures situated along the midline of the body.

CT of a normal abdomen and pelvis, sagittal plane

Anatomical Importance

The sagittal plane's division of the body into left and right halves allows medical professionals, researchers, and students to examine and describe locations of various structures in relation to the midline. This plane is also essential for understanding movements, such as flexion and extension, that occur in this direction.

Terms Related to the Sagittal Plane

• Midsagittal (or Median) Plane: This refers to the sagittal plane that divides the body precisely down the middle, creating two equal left and right halves.
• Parasagittal Plane: Refers to any sagittal plane that is offset from the midline, thus not dividing the body into equal halves.

Additional images

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  Sectional Planes of the Brain

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Applications in Medical Imaging

In diagnostic imaging, such as MRI (Magnetic Resonance Imaging) or CT (Computed Tomography) scans, sagittal views provide a side-view image of the body. This perspective is especially useful for visualizing the spinal column, brain structures, and other midline anatomical features.

Comparative Anatomy

While the concept of the sagittal plane is mainly applied to humans, it is also relevant in the study of other vertebrates. The sagittal plane's orientation may differ slightly depending on the posture and morphology of the animal in question.

See also

• Anatomical terms of location
• Coronal plane
• Transverse plane
• Distal plane

Sagittal plane Resources
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