cervical groove
1. (ARTHROPODA: Crustacea)
In Decapoda, a transverse groove on the carapace marking the general separation of the head and thoracic areas.
2. (NEMATA)
Transverse groove on the ventral surface, or completely encircling the cervical (=cephalic) region marking the line of separation of the lip region from the rest of the body.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • cervical groove — See: carapace groove (c) [Martin, 2005]. A groove or series of grooves sometimes present on the carapace; it is mesially transverse, laterally oblique, and separates the gatric and hepatic regions from the cardiac and branchial regions [Chace and …   Crustacea glossary

  • cervical sulcus — Groove or series of grooves sometimes present on carapace; mesially transverse, laterally oblique, and separates gastric and hepatic regions from cardiac and branchial regions. (Syn. (or groove)) [Butler, T.H.]. Mesially transverse and laterally… …   Crustacea glossary

  • cervical notch — Strong indentation of carapace at level of cervical groove (e.g., scyllarid palinurans). (Syn. cervical incision) [Moore and McCormick, 1969]. Strong indentation of carapace at level of cervical groove [McLaughlin, 1980]. (Order Cladocera):… …   Crustacea glossary

  • cervical suture — See: cervical groove [Martin, 2005]. See: cervical groove [McLaughlin, 1980]. (Order Decapoda): Cervical groove [Stachowitsch, 1992] …   Crustacea glossary

  • 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

  • cervical spine — Spine on lateral surface of carapace immediately posterior to cervical groove of crayfishes (see Fig. 14) [Hobbs and Jass, 1988]. Spine on the lateral surface of the carapace immediately posterior to the cervical groove in crayfishes [Hobbs,… …   Crustacea glossary

  • cervical notch or incision — (ARTHROPODA: Crustacea) Strong indentation of a carapace at the level of the cervical groove …   Dictionary of invertebrate zoology

  • cervical suture — see cervical groove …   Dictionary of invertebrate zoology

  • cervical vesicle — (NEMATA) Distended cuticle anterior to the cervical groove …   Dictionary of invertebrate zoology

  • cervical furrow — See: cervical groove [Martin, 2005]. (Order Decapoda): See: carapace grooves (d) [McLaughlin, 1980] …   Crustacea glossary

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