protogastric
/ˌprəʊtə(ʊ)ˈɡastrɪk/adjective
Zoology. In brachyuran crabs: relating to or designating either of a pair of lobes of the carapace which cover the anterior part of the gastric area.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From proto- + gastric.