Ornithothoraces follows the results of a phylogenetic analysis by Wang "et al.", 2016: Ornithothoraces Ornithothoraces is a group of avialans that includes all enantiornithes ("opposite birds") and the euornithes ("true birds"), which includes modern birds and their closest ancestors. The name Ornithothoraces means "bird thoraxes". This refers to the modern, highly advanced anatomy of the thorax that gave the ornithothoracines superior flight capability compared with more primitive avialans. This anatomy includes a large, keeled breastbone, elongated coracoids and a modified glenoid joint in the shoulder, and a semi-rigid rib cage. The earliest known members of the group are the enantiornitheans "Protopteryx
Gray's Anatomy medicine; the anatomy of facial aging; and technical aspects and applications of diagnostic radiology. The senior editor of this book and accompanying website on ExpertConsult is Professor Susan Standring, who is Emeritus Professor of Anatomy at King's College London. The three most recent editions differ from all previous editions in an important aspect: they present anatomical structures by their regional anatomy (i.e. ordered according to what part of the body the structures are located in – e.g. the anatomy of the bones, blood vessels and nerves, etc. of the upper extremity is described in one place). All editions of "Gray's