detailed image of a dinosaur bone crosssection showcasing the growth rings and health ideal for paleohistology research

detail dinosaur bone crosssection showcase growth ring health ideal adaptation history morphology ichthyology bioarchaeology xenopsylla prehistoric osteocyte histology forensic inquiry biological specimen excavation scientific record isotope paleoart electron examination zooarchaeology anatomy paleontology petrology vertebrate paleoimage fieldwork microscopy geochemistry species discovery historical radiographic marrow radiology stratigraphy taphonomy evolution environmental microscope