Science, Volume 324, Issues 5923-5929John Michels (Journalist) American Association for the Advancement of Science, 2009 |
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Page 341
... Ichthyostega . In small Ichthyostega ( left ) , the pectoral process ( pink ) lies near the center of the lower surface of the humerus , whereas , it rests near the anterior margin of the bone in larger specimens ( right ) . Callier et ...
... Ichthyostega . In small Ichthyostega ( left ) , the pectoral process ( pink ) lies near the center of the lower surface of the humerus , whereas , it rests near the anterior margin of the bone in larger specimens ( right ) . Callier et ...
Page 364
... Ichthyostega and Acanthostega are the earliest tetrapods known from multiple near - complete skeletons , with Acanthostega generally considered the more primitive . New material indicates differing ontogenetic trajectories for their ...
... Ichthyostega and Acanthostega are the earliest tetrapods known from multiple near - complete skeletons , with Acanthostega generally considered the more primitive . New material indicates differing ontogenetic trajectories for their ...
Page 366
... Ichthyostega , where the oblique ridge meets the proximal end of the preaxial margin ( Fig . 4 , C and D ) . Comparisons with Tiktaalik ( Fig . 4A ) , Panderichthys , and " osteolepiforms " suggest that Ichthyostega is prim- itive in ...
... Ichthyostega , where the oblique ridge meets the proximal end of the preaxial margin ( Fig . 4 , C and D ) . Comparisons with Tiktaalik ( Fig . 4A ) , Panderichthys , and " osteolepiforms " suggest that Ichthyostega is prim- itive in ...
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Acanthostega acid activity analysis anoxia antibodies applications automated azelaic acid beam binding Biol Biology cancer cardiomyocyte catalysts cell biology cellular Center ceramide changes Chem codon complex density DOCK2 domain dynamics E-mail Earth Planet effect electron energy enzyme experimental experiments expression ferroelectric frequency fuel function genes genetic genome hotspot human humerus hydrogels Ichthyostega IDH1 increase indicate Institute integrin interactions isotope laser Lett levels ligand mantle ment Micromonas microRNA mirror neurons molecular molecules mRNA mutations neurons NPMC observed ocean optical Ostreococcus photodegradable Phys polarization position pre-cDCs predicted protein pulse reaction receptor References and Notes region response ribosome riboswitches samples says Science scientific scientists sequence signaling sleep species structure Supporting Online Material surface table S1 target Technology temperature tion tissue track transcription Univ University walker