منابع مشابه
Blood Collection from the American Horseshoe Crab, Limulus Polyphemus
The horseshoe crab has the best-characterized immune system of any long-lived invertebrate. The study of immunity in horseshoe crabs has been facilitated by the ease in collecting large volumes of blood and from the simplicity of the blood. Horseshoe crabs show only a single cell type in the general circulation, the granular amebocyte. The plasma has the salt content of sea water and only three...
متن کاملEffects of blood extraction on horseshoe crabs (Limulus polyphemus)
E-mail address (for J. Berkson, contact author): [email protected] the United States, mandated that all biomedical companies actively bleed ing horseshoe crabs estimate mortal ity rates resulting from their bleeding process (Schrading et al.3). Because of the unique methods of the different biomedical companies, each company was required to quantify its own rate of mortality. BioWhittaker, a CA...
متن کاملThe Cyanoblast: Hemocyanin Formation in Limulus Polyphemus
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متن کاملPurification of Limulus polyphemus proclotting enzyme.
Horseshoe crabs (Limulus polyphemus and Tachypleus tridentatus) possess a proteolytic blood coagulation system within their amebocytes that, after release and endotoxin activation, generates a polymerized insoluble coagulin clot. Clotting enzyme from horseshoe crab amebocyte lysate is the protease that activates the clottable protein (coagulogen) which then forms the coagulin clot. Comparison o...
متن کاملThe pace Maker of the Cardiac Ganglion of Limulus .polyphemus
The ganglion on the dorsal surface of the heart of Limulus polyphemus originates the impulses which cause the contractions of the cardiac muscle (1). In large specimens the portion of the dorsal nerve cord which contains the ganglion cells may be 10 or even 12 cm. in length and one naturally wonders where in the extent of this long structure the impulse actually arises. Does it arise in a speci...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1908
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)91650-9