dorsomedian groove

dorsomedian groove
(Order Decapoda):
See: carapace grooves e [McLaughlin, 1980].
(Order Decapoda):
On carapace, longitudinal dorsomedian groove extending from tip of rostrum to posterior margin [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • dorsomedian groove — (ARTHROPODA: Crustacea) In certain Decapoda, a longitudinal groove extending from the tip of the rostrum to the posterior carapace margin dorsomedially …   Dictionary of invertebrate zoology

  • groove — See: carapace groove [Martin, 2005]. (Order Decapoda): One of numerous furrows extending along carapace. According to position and according to group, one may distinguish antennal, branchiocardiac, buccal, cervical, dorsomedian, gastroorbital,… …   Crustacea glossary

  • carapace groove — Furrow on surface of decapod, generally dorsal named types: a) antennal. Furrow on carapace extending backward from vicinity of antennal spine. b) branchiocardiac. Oblique furrow approximately in middle of posterior half of each side of carapace …   Crustacea glossary

  • intestinal groove — (Order Decapoda): See: carapace groove j [McLaughlin, 1980]. (Order Decapoda): On posterior part of carapace, short, transverse groove across dorsomedian surface; interrupted by tubercle [Stachowitsch, 1992] …   Crustacea glossary

  • seller groove — (Order Decapoda): See: carapace grooves (o) [McLaughlin, 1980]. (Order Decapoda): On carapace, short transverse groove extending across dorsomedian surface in front of cervical groove [Stachowitsch, 1992] …   Crustacea glossary

  • median sulcus — Dorsomedian groove on the carapace (Fig. 2B) [Perez Farfante and Kensley, 1997] …   Crustacea glossary

  • carapace grooves — (Order Decapoda): (a) antennal. Extending posteriorly from vicinity of antennal spine. (b) branchiocardiac. Oblique groove approximately in middle of posterior half on each side of carapace, separating branchial and cardiac regions and reaching… …   Crustacea glossary

  • areola — Area between branchiocardiac grooves and posterior to cervical groove on dorsal surface of carapace (Astacidea and Austroastacidea) [McLaughlin, 1980]. Dorsomedial area (usually hourglass shaped) of thoracic region of carapace of crayfishes,… …   Crustacea glossary

  • Posterior median fissure — Infobox Brain Name = PAGENAME Latin = sulcus medianus posterior medullae oblongatae, fissura mediana posterior GraySubject = 187 GrayPage = 767 Caption = Caption2 = IsPartOf = Components = Artery = Vein = BrainInfoType = BrainInfoNumber =… …   Wikipedia

  • 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

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