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A powerful toxin that occurs in corals of the genus Palythoa of the South Pacific and disrupts the flow of ions across cell membranes. It is rapidly fatal to humans in very small doses and is one of the most complex naturally occurring substances.

[New Latin Paly(thoa), genus name (coined by Jean Vincent Félix Lamouroux (1779-1825), French biologist, perhaps based on the name of one of the Oceanids, such as Pāsithoē, in the Theogony of Hesiod) + toxin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Current shareholders of Platinex Shares (including the subscriber in the PTX Financing) will own approximately 65.4% of the resulting entity post-acquisition and the current shareholders of ILC will own approximately 34.6% of the resulting entity post-acquisition.
Nanoparticle albumin-bound PTX (nab-PTX) is a new, solvent-free, 130-nm albumin-bound PTX, developed to avoid the Cremophor vehicle used in solvent-based PTX.
Juniper's PTX Series Packet Transport Routers are built to optimize IP/MPLS transport for backbone, peering and converged metro core applications.
Paclitaxel (PTX), an anti-fibrosis medication, has been introduced to reduce fibrosis on anastomotic wound healing after biliary reconstruction.[6] In previous studies, stricture was dilated using a PTX-eluting balloon or stent which received sustained clinical success.[7],[8],[9] However, this approach is imperfect and still needs to be improved because the PTX has limited access to the biliary stricture site across the blood-biliary barrier when administered systemically.
Since point-of-care diagnostic tools are limited, a fast and accurate diagnosis of PTX is ambitious.
developed GO/PLA-PEG nanocomposites loading with PTX, which showed satisfactory high loading capacity, controlled release, and cytoxicity against A549 cancer cells [10].
The dose of PGE and the standard anti-ulcer drugs, OMZ (antisecretory, 2 mg/kg), SCF (ulcer healer, 500 mg/kg), TNF-[alpha] antagonist, and PTX (10 mg/kg), was selected as reported earlier.
The "uptake-release" method was performed using paclitaxel (PTX) that is an anticancer drug with also antiangiogenic activity.
Infants were randomly allocated within six hours after birth to receive PG or PTX. Eligible neonates were entered into the study based on a 1:1 adjuvant therapy allocation to the PG or PTX group.
And we aren't just talking about PTX's Grammy-winning collaboration with Dolly Parton ('Jolene'), which wraps up the recording's seven-song lineup.
Inclusive criteria on patients are as follows: (1) patients who had received all prevalent dialysis with duration > 3 months, at any age; (2) patients with the level of serum iPTH > 800 pg/mL which met the PTX criteria and with hypercalcemia, hyperphosphatemia, or calcium x phosphorus (Ca x P) > 70 [mg.sup.2]/[dl.sup.2] [3].