Published November 28, 2022
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Fig. 4 in Fossil bone histology reveals ancient origins for rapid juvenile growth in tetrapods
- 1. Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA.
- 2. Committee on Evolutionary Biology, University of Chicago, Chicago, IL 60637, USA. & Negaunee Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605-2496, USA.
Description
Fig. 4 The histology of Whatcheeria femora from size class IV. Under polarized light and a lambda filter, FMNH PR 5023 contains an abundant trabecular network in the medullary cavity and a narrow cortex (a). The cortex is composed primarily of lamellar bone (b, c) with some secondary remodeling (c). The trabeculae in this specimen are well-developed and composed of lamellar tissue (d). These general observations are consistent with an additional specimen, FMNH PR 1958, visualized with µCT imaging (e), including a developed trabecular network in the medullary cavity and a narrow lamellar cortex (f). In a and e the adductor crest (ventral) is oriented towards the bottom and marked with an asterisk. Abbreviations: lfb lamellar-fibered bone, mc medullary cavity, pfb parallel-fibered bone, so secondary osteon, tr trabeculae. Scale bars: a, e = 5 mm; b, f = 250 µm; c, d = 100 µm.
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- Journal article: 10.1038/s42003-022-04079-0 (DOI)
- Journal article: urn:lsid:plazi.org:pub:FF8CFFD3FFC78C2DFFE8FFABA76C425A (LSID)
- Journal article: https://zenodo.org/record/7390744 (URL)