mesoconch
n. [Gr. mesos, middle; konche, shell]
(MOLLUSCA: Bivalvia)
An intermediate stage in formation of the dissoconch; separated from other stages by pronounced discontinuities.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • mesoconch — meso·conch mez ə .käŋk, mēz , mēs , mes also me·so·chon·chic käŋk ik adj having the orbits moderately rounded with an orbital index of 76.0 to 84.9 me·so·con·chy .käŋ kē n, pl chies …   Medical dictionary

  • mesoconch — meso·conch …   English syllables

  • mesoconch — …   Useful english dictionary

  • orbital index — n the ratio of the greatest height of the orbital cavity to its greatest width multiplied by 100 where the width is measured from the dacryon to the farthest point on the opposite border and the height is measured along a line perpendicular to… …   Medical dictionary

  • mesoseme — ˈme]zōˌsēm, ˈmē], ]sō adjective Etymology: French mésosème, from méso mes + Greek sēma sign, mark more at semantics : mesoconch …   Useful english dictionary

  • orbital index — noun : the ratio of the greatest height of the orbital cavity to its greatest width multiplied by 100 where the width is measured from the dacryon to the farthest point on the opposite border and the height is measured along a line perpendicular… …   Useful english dictionary

  • mesochonchic — adjective see mesoconch …   Useful english dictionary

  • mesoconchy — noun see mesoconch …   Useful english dictionary

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