Definitions

Geniculate

• Bent; having upper part of filament forming more or less obtuse angle with lower, e.g., antennule. [McLaughlin, 1980]
• Knee-like, or displaying an acute angle between two segments. As in geniculate segments 2 and 3 of the antennula. [Wilson, 1989]
• (Taxon-specific: Order Isopoda) Bent at an abrupt angle, as in the body of many arcturid isopods. [Kensley and Schotte, 1989]
• (Taxon-specific: Subclass Copepoda) Used of male antennules with a specialised articulation with restricted adduction/abduction movement, dividing the limb into proximal and distal regions; also used of armature elements with a well-defined articulating zone. [Boxshall and Halsey, 2004]

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Citing this glossary: For individual definitions, please cite the specific author(s) of the definition.
To cite the glossary as a whole, please use:
Martin, J.W., N.D. Pentcheff, D. Striley, C. Perrodin, A.R. Wall, J. Wall, and J. Zieba (editors). Crustacea Glossary. Crustacea Department, Natural History Museum of Los Angeles County. Accessed: 8 Nov 2024. URL: https://research.nhm.org/glossary