Zhongjianornis an enlarged, keeled breastbone in more advanced birds. However, later analysis of the anatomy of "Z. yangi" cast doubt on this interpretation of the bird as very primitive. Research published in 2012 found that some of the apparently primitive features were due to poor preservation of the bones, and that "Zhongjianornis" is more similar in anatomy to primitive euornitheans like "Chaoyangia" and "Schizooura". A phylogenetic analysis showed that a very primitive position in the bird family tree for "Z. yangi" is unlikely given current evidence. Zhongjianornis Zhongjianornis is a genus of beaked, pigeon-sized birds from the early Cretaceous period of
Gray's Anatomy is playing with his train sets. The 1996 Steven Soderbergh film "Gray's Anatomy", featuring monologuist Spalding Gray, also takes its name from the title of the book, as does "Gray's Anatomy: Selected Writings", a 2009 book by British political philosopher John N. Gray. In the 1998 "" episode "", the new Emergency Medical Hologram designed by Ensign Kim begins reciting the contents of "Gray's Anatomy" when activated, beginning with a description of the cell. The American medical drama "Grey's Anatomy" (2005 –) takes its name from the textbook. The name of Jim Leonard Jr.'s 2006 play "Anatomy of Gray", which