hepatic spine

hepatic spine
(ARTHROPODA: Crustacea)
In Decapoda, located below and behind the lower branch of the cervical groove.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • hepatic spine — See: carapace spine c [Martin, 2005]. A lateral spine situated near the anterior margin of the hepatic region on the carapace of certain shrimps; it probably represents the branchiostegal spine displaced posteriorly from the anterior margin of… …   Crustacea glossary

  • hepatic region — See: carapace region g [Martin, 2005]. Paired anterolateral areas of the carapace bounded anteriorly by the antennal region, posteriorly by the branchial region, and mesially by the gastric region [Perez Farfante and Kensley, 1997]. Paired… …   Crustacea glossary

  • spine — ( ) [Baba, 2005]. Carapace, spines, based on Munida. [Baba, 2005] ( ) [Baba, 2005]. Anterior part of carapace, including ocular peduncles, based on Munidopsis. [Baba, 2005] A cuticular outgrowth without a recognizable basal articulation [Ingle,… …   Crustacea glossary

  • suprahepatic spine — Spine arising from the edge of the cervical carina dorsal to the hepatic spine (Fig. 2A) [Perez Farfante and Kensley, 1997] …   Crustacea glossary

  • carapace spine — Sharp projection of carapace important for classification chief types: (a) antennal. Spine on front margin of carapace slightly below orbit. (b) branchiostegal. Spine on front margin of carapace or slightly behind it about halfway between… …   Crustacea glossary

  • lower submedian spine — Lateral spine of carapace, between submedian and hepatic spines of Mesocrangon muntinella [Butler, T.H.] …   Crustacea glossary

  • submedian spine — Lateral spine between median and hepatic spines on carapace [Butler, T.H.] …   Crustacea glossary

  • linea branchiostegalis — Longitudinal groove or uncalcified line extending backwards from front margin of carapace slightly above branchiostegal spine and reaching to or beyond hepatic spine (e.g., palaemonid carideans) [Moore and McCormick, 1969]. Longitudinal groove or …   Crustacea glossary

  • subhepatic sulcus — Groove located well ventral to the hepatic region of the carapace and the hepatic spine [Perez Farfante and Kensley, 1997] …   Crustacea glossary

  • orbital-antennal sulcus — Longitudinal or oblique depression between the orbital margin and the hepatic spine (Fig. 2A) [Ingle, 1983] …   Crustacea glossary

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