Chemical Structure of a Branched α-d-Glucan from the Eggs of Sea Urchin <i>Tripneustes gratilla</i>. [PDF]
Int J Mol SciBilan MI +8 more
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Antidiabetic Potential of Sea Urchin Tripneustes gratilla Nanosuspension Based on In Vitro Enzyme Inhibition, In Vivo Evaluation, and Chemical Profiling Approaches. [PDF]
Curr Issues Mol BiolAljohani AKB +14 more
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Embryotoxicity and Spermiotoxicity of Green- and Chemically Synthesized Titanium Dioxide Nanoparticles in the Sea Urchin Paracentrotus lividus. [PDF]
Biol Trace Elem ResMahmoud YBEDM +3 more
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Skeletogenic Expression of Integrin Alpha, Talin and Npnt Genes and Npnt Role in Sea Urchin Skeletogenesis. [PDF]
J Exp Zool B Mol Dev EvolChen S +3 more
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Very Low Concentrations of Maritime Exhaust Gas Cleaning System Effluent Impair Fertilization and Larval Development in the Green Sea Urchin <i>Strongylocentrotus droebachiensis</i>. [PDF]
Environ Sci TechnolChen CY +4 more
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Possible role of microtubules in vesicular transport of matrix protein during sea urchin larval biomineralization. [PDF]
Dev DynQassem A, Gildor T, de-Leon SB.
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A 25-year-old female was walking along a shallow tropical reef when she felt a sharp pain in her right great toe. Upon exiting the water, she noted multiple dark spines protruding from the foot.
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Publisher Summary The chapter describes the structures and functions of sea urchin spermatozoa. Methods for the isolation of different parts of the sea urchin sperm are discussed. Sea urchin sperm are specialized for five functions: (1) oxidative phosphorylation to produce ATP, (2) flagellar motility, (3) the acrosome reaction, (4) binding to the egg,
Victor D, Vacquier, Noritaka, Hirohashi
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Summaryi. The head of the sea‐urchin spermatozoon is pear‐shaped and axially symmetrical. The sub‐microscopic morphology of the middle piece has not been investigated, but the tail, which terminates in an axial fibre, probably contains spiral or coiled structures, as in mammalian spermatozoa.2.
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In the sea urchin morphogenesis follows extensive molecular specification. The specification controls the many morphogenetic events and these, in turn, precede patterning steps that establish the larval body plan. To understand how the embryo is built it was necessary to understand those series of molecular steps.
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