Definitions
Dorsal organ
- Poorly understood glandular-sensory structures (actually several different structures that may or may not be homologous) on the head of many crustaceans. [Brusca and Brusca, 2002]
- Thickened glandular area of hypoderm of dorsal surface just behind head in various branchiopods, isopods, amphipods, mysidaceans, tanaidaceans, and syncarids, its function obscure. [Moore and McCormick, 1969]
- Thickened glandular area of hypoderm on dorsal surface, usually in posterior of cephalon, sometimes in anterior part; not homologous in all taxa. [McLaughlin, 1980]
- (Taxon-specific: Order Notostraca) Unpaired organ of unknown function located behind compound eyes on dorsal surface of carapace. (considerably behind eye tubercles, anterior part between eye tubercles; circular, somewhat triangular).
(syn. nuchal organ) [Stachowitsch, 1992]
Copyright
NHMLAC
Design: Dean Pentcheff pentcheff@gmail.com
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