Stentor


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Stentor

 

a genus of protozoans of the class Infusoria, suborder Heterotricha. The organisms measure as much as 1 mm in length. The genus embraces more than ten species. The funnel-shaped body has an enlarged anterior end with highly developed circumoral membranellae that direct the flow of food particles to the mouth opening. The rest of the body is covered with longitudinal rows of tiny cilia.

Members of the genus are capable of contracting sharply and assuming a spherical shape by means of contractile filaments (myonemes). They can swim freely or attach themselves to a substrate by their narrowed posterior end. They inhabit seas and fresh waters. The freshwaters protozoan S. coeruleus is light blue. Some species, such as S. polymorphus, have numerous symbiontic single-celled algae in their cytoplasm.

Stentor

Greek herald with voice of 50 men. [Gk. Myth.: Espy, 39]
References in periodicals archive ?
Stentor was formed in 1998 and set up operations in Silicon Valley and R&D operations in Pittsburgh.
4 2 p-i Ba, Sb, Al, Fl Spirostomum teres Claparede and Lachmann, 1858 - 5 5 p Ba, Sb, Al, Ki Euplotes eurystomus Wrzesniowski, 1870 - 3 4 a O Podophrya fixa (Muller, 1786) - 1 - a R Stentor coeruleus (Pallas, 1766) - - + a O Tokophrya lenarum (Stein, 1859) - - 1 a R Coleps sp.
One struggle we had was that the investor community wanted to know what our Internet strategy was, whether we could name the company Stentor.
b b a a Stentor 1 a a Stylonychia a, c a Bacterivores Aspidisca a (Amoeba) a (Coleps) a Colpidium b a a Colpoda sm.
It may be able to exhibit flexibility in the short run, by abandoning one behavior for another, but this pattern of behavior is rigidly determined; Stentor has a series of responses to a noxious substance in its environment, all of which are triggered invariably.
A total of $16 million in new funding is being provided jointly by Industry Canada and Stentor, the Canadian alliance of telephone companies that includes AGT, Bell Canada and 10 other phone companies.
Here's one for you," announced ABC Tom Schwarzkopf in his letter from STENTOR Canadian Network Management, Ottawa, earlier this year.
This is based on the performance of such brands as San Marco, Philtre d'Or, Stentor, Quotidien, and of course, Segafredo Espresso - which comes from Bologna.
This group is now Stentor Communications, with its own engineering and marketing staff.
These are currently provided on a monopoly basis by the nine member telephone companies of Stentor Canadian Network Management (formerly Telecom Canada) and several other provincially and locally based companies.
The starting point is Stentor," notes Burd, "an oil-hardening steel for general purpose toolroom work such as blanking dies, forming dies, laminating dies, molding dies, trimming dies, master tools, etc.
Currently installed information systems to which ICA is connecting include McKesson Horizon for lab, Philips Stentor for radiology and Siemens Envision for ADT.