Paukščio ir žinduolio kaulo struktūra, pavyzdys

Informacija apie prekę Prekės kodas 1021045 [T30053] Svoris 0.515 kg Ženklas 3B Scientific
Structure of a Bird and a Mammal Bone, Specimen

Longitudinal and cross section of a prepared, real bird bone and mammal bone respectively, mounted on a base plate. The product illustrates the difference between the long bones of a bird and a mammal. Bird bones are hollow inside and have large air chambers. Mammal bones, in contrast, are flled with bone marrow and spongy tissue. Including display case for protection.