The region along which the animal body can be divided into right and left or longitudinally and transversely or anteriorly and posteriorly is called floor. There are generally three types of floor in the animal body.
(i) Sagittal plane: The plane by which the body can be divided into right and left is called midline plane.
(ii) Frontal plane: The plane by which the animal body can be divided into digital and dorsal parts is called frontal plane.
(iii) Transverse plane: The plane by which the animal body can be divided into anterior and posterior parts is called transverse plane.