hinge teeth

hinge teeth
1. (BRACHIOPODA)
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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