metagastric lobe — Posterior division of gastric region of decapod (brachyuran) carapace; may be ill defined or undifferentiated [Moore and McCormick, 1969]. Posterolateral lobe or subregion of gastric region; often not defined [Williams, 1984]. (Order Decapoda):… … Crustacea glossary
metagastric lobe or area — (ARTHROPODA: Crustacea) In Decapoda, the posterior division of the gastric region of the carapace; sometimes ill defined … Dictionary of invertebrate zoology
gastric region — See: carapace region f [Martin, 2005]. Large median area, in crab carapace, bounded behind by cervical suture, laterally by hepatic regions, and anteriorly by frontoorbital regions. Divisible into following subregions or lobes: epigastric,… … Crustacea glossary
carapace region — Differentiated portion of decapod carapace surface distinguished in descriptions and used in classification named types: (a) antennal. Anterior marginal part of carapace bordering orbital region laterally and also touching hepatic, pterygostomial … Crustacea glossary
mesogastric region — The central portion of the gastric region on the carapace of crabs [Chace and Hobbs, 1969]. The region on the dorsal surface of the carapace bounded by parts of the margins of the frontal, protogastric, and metagastric regions [Ingle, 1983].… … Crustacea glossary
protogastric region — A paired anterolateral area on the gastric region of the carapace of crabs [Chace and Hobbs, 1969]. The region on the dorsal surface of the carapace bounded by parts of the margins of the frontal, orbital, hepatic, epibranchial, metagastric and… … Crustacea glossary
urogastric region — The region on the dorsal surface of the carapace bounded by part of the margins of the metagastric, metabranchial and cardiac regions [Ingle, 1983]. (Order Decapoda): Gastric region. (Syn. genital region) [Stachowitsch, 1992] … Crustacea glossary
urogastric lobe — A very short transverse area bordering the posterior margin of the metagastric region on the carapace of crabs [Chace and Hobbs, 1969]. Posterior division of gastric region of decapod (brachyuran) carapace; sometimes called genital region [Moore… … Crustacea glossary
carapace regions — (Order Decapoda): (a) antennal. Anterior marginal part bordering orbital region laterally, adjoining hepatic, pterygostomial, and occasionally also frontal regions. (b) anterolateral. Lateral part bordering subhepatic or hepatic regions. (c)… … Crustacea glossary
epibranchial — Anterior part of branchial region of decapod (brachyuran) carapace [Moore and McCormick, 1969]. Part of porcellanid (crab) carapace situated behind orbit and above metabranchial region. Region situated between cervical groove and linea anomurica … Crustacea glossary