This torso is based on MR53, add none sex genitalia.Dissected into 21 parts: torso, female breast plate,head, eyeball, brain, vertebra spinal nerves, lung (2 parts), heart (2 parts), liver, kidney, stomach, intestines (2 parts), male genitalia (2 parts), female genitalia with fetus (3 parts), none sex genital a. Made of VC plastic. The stomach parts and intestine parts can be replaced by the ones of MR53. Mounted on base. Size: 85CM.