Metasome

Related to Metasome: Metasoma, Urosome

Met´a`some


n.1.(Zool.) One of the component segments of the body of an animal.
References in periodicals archive ?
R II: in copepods it includes the metasome (the head and the thorax with their respective appendages), whereas in cladocerans it involves the head and the anterior part of the carapace including the thoracic legs.
In cyclopoid copepods, the urosome was the preferred region (RIII) followed by the metasome (R II).
2006; Rychel and Swalla, 2007), and a post-anal tail-like extension of the metasome, at least in juveniles of harrimaniid enteropneusts (Burdon-Jones, 1952; Lowe et al.