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The Patient Operated Selector Mechanism (POSM or POSSUM) was developed in the early 1960s, and used a sip-and-puff control mechanism. Sip-and-puff or sip 'n' puff (SNP) is assistive technology used to send signals to a device using air pressure by "sipping" (inhaling) or "puffing" (exhaling) on a straw, tube or "wand." It is primarily used by ...
A securities information processor (SIP) is a part of the infrastructure of public market data providers in the United States that process, consolidate, and disseminate quotes and trade data from different US securities exchanges and market centers. [1]
A systematic investment plan (SIP) is an investment vehicle offered by many mutual funds to investors, allowing them to invest small amounts periodically instead of lump sums. The frequency of investment is usually weekly, monthly or quarterly.
William Harvey (1 April 1578 – 3 June 1657) [1] was an English physician who made influential contributions to anatomy and physiology. [2] He was the first known physician to describe completely, and in detail, pulmonary and systemic circulation as well as the specific process of blood being pumped to the brain and the rest of the body by the heart (though earlier writers, such as Realdo ...
The American Journal of Physiology – Renal Physiology is dedicated to a broad range of subjects relating to the kidney, urinary tract, and their respective cells and vasculature. The American Journal of Physiology – Consolidated is published in two monthly volumes to include approximately 2,600 articles annually. This journal comprises the ...
A State Implementation Plan (SIP) is a United States state plan for complying with the federal Clean Air Act, administered by the Environmental Protection Agency (EPA). The SIP, developed by a state agency and approved by EPA, consists of narrative, rules, technical documentation, and agreements that an individual state will use to control and clean up polluted areas.
Fig. 15 The arrangement of the air sacs and lungs in birds Fig. 16 The anatomy of bird's respiratory system, showing the relationships of the trachea, primary and intra-pulmonary bronchi, the dorso- and ventro-bronchi, with the parabronchi running between the two. The posterior and anterior air sacs are also indicated, but not to scale.
The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications. [1] SIP is used in Internet telephony, in private IP telephone systems, as well as mobile phone calling over LTE . [2]