منابع مشابه
Pore before seal
Kinetochores hold on with a ring complex that links a budding yeast kinetochore to a microtubule (MT) forms a ring around the MT, based on structures from two groups. The ring may help kinetochores to keep hold of an MT, even as the MT shrinks towards the spindle pole during anaphase. Stephen Harrison (Harvard Medical School, Boston, MA) and Peter Sorger (MIT, Cambridge, MA) are hoping to analy...
متن کاملApical seal versus coronal seal
the results of the initial study. It was concluded that the apical fluids, with their primary source being blood serum, diffuse into the empty canal spaces, stagnate, undergo degradation and then act as a physicochemical irritant when they diffuse back into periapical tissues. In support of this theory of stagnation, in 1955 Dow and Ingle showed that the majority of the endodontic failures were...
متن کاملIndentation of the Pellicle of Tetrahymena at the Contractile Vacuole Pore before Systole
The contractile vacuole of fresh-water protozoa contributes to the maintenance of constant cell volume by eliminating fluid at a rate equal to the passive entry of water into the hyperosmotic cell (5, 8). In addition, after changes in environmental osmolarity, adjustments in the rate of fluid output of the contractile vacuole minimize changes in cell volume (8) . At least a few species of proto...
متن کاملThe Seal Calculus
The Seal Calculus is a process language for describing mobile computation. Threads and resources are tree structured; the nodes thereof correspond to agents, the units of mobility. The Calculus extends a π-calculus core with synchronous, objective mobility of agents over channels. This paper systematically compares all previous variants of Seal Calculus. We study their operational behaviour wit...
متن کاملPierre Machtou presents a review of the clinically relevant literature on apical seal versus coronal seal Apical seal versus coronal seal CPD
19 The biological basis of endodontics is well established and underlines the dominant role of bacteria in the initiation, development and persistence of periapical disease (Kakehashi S et al, 1965) or apical periodontitis (AP) according to the terminology currently in use. The aim of clinical procedures is to prevent or eliminate bacterial infection from the root canal system (Orstavik D, Pitt...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2005
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb1683rr3