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24 Cards in this Set
- Front
- Back
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Last plankton in larva of some decapod crustaceans |
Megalopa |
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A second plankton in larval stage of barnacles |
Cyprid |
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Anterior most pair of crustacean head appendages, uniramous |
Antennuelae or antennula |
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The second pair of crustacean head appendages, biramous |
Antennae or antenna |
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The third pair of crustacean head appendages, biramous |
Mandibles |
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The fold that covers the mouth of the nauplius larva |
Labrum |
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Appendages posterior to the mandibles |
Maxillary or maxillule or maxilliped |
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Walking legs in a decapod |
Pereopods or thoracopods |
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Abdominal appendages typically deployed by swimmerets in shrimp-like crustaceans |
Pleopods |
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Antennulae through maxillae |
Head appendages |
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Maxillipeds and pereopods |
Thorax appendages |
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The pleopods |
Abdominal appendages |
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Outer and inner branches of biramous appendages |
Exopod and endopod |
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When yolk is distributed evenly |
Isolecithal |
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Yolk is collected in a more or less central mass, uncleaved by superficial cleavage |
Centrolecithal |
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Complete cleavage |
Holoblastic |
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Incomplete cleavage |
Superficial |
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Cleavage in which nuclei proliferate in the yolk |
Intralecithal |
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Multinucleate cytoplasm resulting from either cell fusion or mitosis without cytokynesis |
Syncytium |
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Cellular embryonic layer on the surface of the acelluar yolk mass |
Blastoderm |
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Cellularized plate or strip which gives rise to the embryo itself |
Germ band |
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Gives rise to the gametes |
Germ cells or germ line |
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Some sort of specialized cytoplasm associated with germ cells |
Germ plasm |
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Posterior growth zone populated by stem cells in arthropods |
Teloblast |
