Soft-Tissue Vessels and Cellular Preservation in Tyrannosaurus rex-Reference-Cited by-同舟云学术

Soft-Tissue Vessels and Cellular Preservation in Tyrannosaurus rex

Published:2005-03-25 Issue:5717 Volume:307 Page:1952-1955
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Schweitzer Mary H.¹²³⁴,Wittmeyer Jennifer L.¹²³⁴,Horner John R.¹²³⁴,Toporski Jan K.¹²³⁴

Affiliation:

1. Department of Marine, Earth, Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, USA.

2. North Carolina State Museum of Natural Sciences, Raleigh, NC 27601, USA.

3. Museum of the Rockies, Montana State University, Bozeman, MT 59717, USA.

4. Carnegie Institution of Washington, Geophysical Laboratory, 5251 Broad Branch Road N.W., Washington, DC 20018, USA.

Abstract

Soft tissues are preserved within hindlimb elements of Tyrannosaurus rex (Museum of the Rockies specimen 1125). Removal of the mineral phase reveals transparent, flexible, hollow blood vessels containing small round microstructures that can be expressed from the vessels into solution. Some regions of the demineralized bone matrix are highly fibrous, and the matrix possesses elasticity and resilience. Three populations of microstructures have cell-like morphology. Thus, some dinosaurian soft tissues may retain some of their original flexibility, elasticity, and resilience.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference22 articles.

1. Age and growth dynamics of Tyrannosaurus rex

2. M. Schweitzer J. L. Wittmeyer J. R. Horner in preparation.

3. Materials and methods are available as supporting material on Science Online.

4. A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China

5. Two feathered dinosaurs from northeastern China

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