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