Arthrogastra :: Arthrogastra (n. pl.) A division of the Arachnida, having the abdomen annulated, including the scorpions, harvestmen, etc.; pedipalpi..
Branchiogastropoda :: Branchiogastropoda (n. pl.) Those Gastropoda that breathe by branchiae, including the Prosobranchiata and Opisthobranchiata..
Cacogastric :: Cacogastric (a.) Troubled with bad digestion.
Digastric :: Digastric (a.) Having two bellies; biventral; -- applied to muscles which are fleshy at each end and have a tendon in the middle, and esp. to the muscle which pulls down the lower jaw..
Digastric :: Digastric (a.) Pertaining to the digastric muscle of the lower jaw; as, the digastric nerves..
Entogastric :: Entogastric (a.) Pertaining to the interior of the stomach; -- applied to a mode of budding from the interior of the gastric cavity, in certain hydroids..
Gastornis :: Gastornis (n.) A genus of large eocene birds from the Paris basin.
Gastraea :: Gastraea (n.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastraea theory of Haeckel. See Gastrula..