QS-8/11 – Plastic Demonstration Skull – Highly detailed adult plastic skull expertly dissected into 11 pieces. Calvarium sectioned horizontally exposing the cranial vault. The basal portion has been sagittally cut and the nasal septum can be completely removed. The temporal bone on one side is removable and exposes the inner ear showing the malleus, incus & stapes with tympanic membrane all in proper positions. The opposite temporal bone has been left intact and has portions of the mastoid & squama removed exposing the 3 semicircular canals & facial nerves. On one side of the skull the Frontal and Maxillary sinuses are cut & hinged. On the opposite side, the bony plate from the mandible & maxilla are removed and dentition is exhibited with blood and nerve supply. Two lower molars are sectioned on the lower jaw exposing the root canals of these teeth. Supplied with plastic cover and base.