hinge teeth

hinge teeth
The tooth part of the articulating device on the ventral valve in the form of small projections along the free edge of the palintrope.
2. (MOLLUSCA: Bivalvia)
A series of shelly structures near the dorsal margin and fitting into a socket in the opposite valve; functioning in holding valves in position when closed.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • hinge teeth — hinge teeth, the small, sharp projections of the shell near the hinge in bivalves …   Useful english dictionary

  • hinge plate — noun 1. : the part of each valve that supports the hinge teeth in a bivalve mollusk 2. : the part of a brachiopod that bears the sockets of the dorsal valve …   Useful english dictionary

  • hinge — (Class Ostracoda): Complementary interlocking articulatory structures on inner dorsal margin of valves. See: ADont hinge, merodont hinge, lophodont hinge, pentodont hinge, holomerodont hinge, antimerodont hinge, entomodont hinge, gongylodont… …   Crustacea glossary

  • Cardinal teeth — Cardinal Car di*nal, a. [L. cardinalis, fr. cardo the hinge of a door, that on which a thing turns or depends: cf. F. cardinal.] Of fundamental importance; pre[ e]minent; superior; chief; principal. [1913 Webster] The cardinal intersections of… …   The Collaborative International Dictionary of English

  • diagenodont teeth — (MOLLUSCA: Bivalvia) Having differentiated cardinal teeth (up to 3) and lateral teeth (up to 2) on the hinge plate …   Dictionary of invertebrate zoology

  • orthodont hinge — (MOLLUSCA: Bivalvia) A hinge in which the teeth approximate the direction of the cardinal margin …   Dictionary of invertebrate zoology

  • transposed hinge condition — (MOLLUSCA: Bivalvia) A condition of teeth usually found in the hinge of one valve being found on the opposite one …   Dictionary of invertebrate zoology

  • gongylodont hinge — (Class Ostracoda): A crenulate hinge with a systematic increase in size of teeth and decrease in size of sockets from anterior to posterior in the right valve, left valve complementary (Family Loxoconchidae only) [Cohen, Peterson, and Maddocks,… …   Crustacea glossary

  • merodont hinge — (Class Ostracoda): Three element hinge, with anterior and posterior teeth (or sockets) separated by median bar (or groove) [Cohen, Peterson, and Maddocks, in press] …   Crustacea glossary

  • lateral teeth — (MOLLUSCA: Bivalvia) Interlocking teeth, not functioning as a hinge, but serving to prevent valves from sliding upon each other when closed …   Dictionary of invertebrate zoology

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