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n. [ME. heng, hinge; L. mentum, tool](ARTHROPODA: Crustacea)A collective term for the structures comprising articulations of ostracods.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
hingement
Look at other dictionaries:
hingement — (Class Ostracoda): Collective term for structure comprising articulation of valves [McLaughlin, 1980]. (Class Ostracoda): Hinge [Stachowitsch, 1992] … Crustacea glossary
valve — Lateral part of divided carapace commonly joined to opposite part by hingement along dorsal mid line (e.g., Ostracoda, Conchostraca, Leptostraca) [Moore and McCormick, 1969]. Lateral part of divided carapace, commonly joined to opposite part by… … Crustacea glossary
capitulum — n.; pl. la [L. caput, head] 1. A small knoblike protuberance. 2. (ARTHROPODA: Chelicerata) The anterior body region of a mite or tick which bears the mouth parts; the gnathosoma. 3. (ARTHROPODA: Crustacea) a. In Cirripedia, a portion of the… … Dictionary of invertebrate zoology
free margin — (ARTHROPODA: Crustacea) All parts of an ostracod shell margin, except hingement … Dictionary of invertebrate zoology
capitulum — In pedunculate cirripeds portion of carapace enclosing trophic structures, commonly armored by calcareous plates [Moore and McCormick, 1969]. Portion of carapace enclosing body, commonly protected by calcareous plates (lepadomorph cirripeds); or… … Crustacea glossary
free margin — (Class Ostracoda): All parts of margin except hingement [McLaughlin, 1980]. (Class Ostracoda): Margin [Stachowitsch, 1992]. (Class Ostracoda): The perimeter of the valves (exclusive of the hinge region) where valves are in contact [Cohen,… … Crustacea glossary
