Longitudinal section of an artery with constriction caused by plaque adsorption. Four cross sections on the base show step-by-step build-up of plaque at the artery wall.Size: 14 x 18 x 13 cm

Miniature skeleton offers a unique hands-on learning experience for young scientists and curious kids who want to learn the locations and shapes of the bones of the body. Special features include: Movable jaw on springs Skull whose calvarium opens for...