Marieb Language Of Anatomy Practice Exam

What is the term for a plane that divides the body into right and left parts that are not equal?

Parasagittal plane Mid-sagittal plane Frontal plane Transverse plane

Correct Answer:

Parasagittal plane

Explanation:

Right and left unequal parts are created by a parasagittal plane. A sagittal plane runs vertically and divides the body into left and right portions; when the division is exactly along the midline, it’s the mid-sagittal (or median) plane. If the cut is off-center, producing unequal sides, that’s the parasagittal plane. Other planes slice different directions: the frontal (coronal) plane separates front from back, and the transverse (horizontal) plane separates top from bottom. So, the described plane is parasagittal.

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