Replica Human Skull - Porotic Hyperostosis and Cribra Orbitalia OSTEO Replica Platypus Egg (19 mm)

Replica Platypus Egg (19 mm)

about 115-108 million years ago (from the mid-Aptian to early Albian stages)

These specimens are naturally missing most to all of their teeth due to old age

This real blackbuck skull showcases the distinctive twisted horns characteristic of male Indian antelopes

The specimen includes sections of the parietal and occipital regions with clear anatomical landmarks useful for osteological and anatomical study

Replica Human Skull - Porotic Hyperostosis and Cribra Orbitalia OSTEO Replica Platypus Egg (19 mm)Porotic hyperostosis and cribra orbitalia are porous cranial lesions that are associated with metabolic or general nutritional stress. It is said to be caused by iron deficiency anemia, nutrient deficiencies, infectious disease, and or poor sanitation. However, recent studies have suggested that hemolytic and megaloblastic anemias are the more likely cause of porotic hyperostosis. Porotic hyperostosis occurs as porous areas on the skull vault, while