The reference plane that divides the body into cranial and caudal parts that are not necessarily equal is the

a. sagittal plane.

b. dorsal plane.

c. median plane.

d. transverse plane.

A plane across the body that divides it into cranial (head-end) and caudal (tail-end) parts that are not necessarily equal. A plane at right angles to the sagittal and transverse planes. It divides the body into dorsal (toward the back) and ventral (toward the belly) parts that are not necessarily equal.