n.shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
sea urchin例句
Cyclin: a protein specified by maternal mRNA in sea urchin eggs that is destroyed at each cleavage division. Detection of mrnas in sea urchin embryos by in situ hybridization using asymmetric RNA probes The Genome of the Sea Urchin Strongylocentrotus purpuratus Rate Variation of Protein and Mitochondrial DNA Evolution as Revealed by Sea Urchins Separated by the Isthmus of Panama Genomic Cis-Regulatory Logic: Experimental and Computational Analysis of a Sea Urchin Gene Micro-injection of inositol 1,3,4,5-tetrakisphosphate activates sea urchin eggs by a mechanism dependent on external Ca2+ SPECIATION AND POPULATION GENETIC STRUCTURE IN TROPICAL PACIFIC SEA URCHINS. Sea urchin spine calcite forms via a transient amorphous calcium carbonate phase. Adenosine triphosphate-induced sliding of tubules in trypsin-treated flagella of sea-urchin sperm. Spindle microtubule dynamics in sea urchin embryos: analysis using a fluorescein-labeled tubulin and measurements of fluorescence re...