proteomic profileAn evaluation of proteins in a sample of blood. This may help detect early cancer or cancer recurrence, or help predict response to treatment.
proteomicsThe study of the structure and function of proteins, including the way they work and interact with each other inside cells.
ProtestA communication by a member of the public to a patent office arguing and providing evidence that the granting of a patent would be improper. MPEP 1901.
ProtocelA liquid that has been promoted as a treatment for a wide range of diseases, including cancer.
protocloneRegenerated plant derived from protoplast culture or a single colony derived from protoplasts in culture.
protocolAn action plan for a clinical trial. The plan states what the study will do, how, and why.
protocol abnormalityIn ISDN, a protocol event (a protocol error or other event) that indicates that a potential trouble condition exists on the ISDN interface.
Protocol Analysis agentThe underlying agent that is used by the Sender Reputation feature in Exchange Server 2007.
protocol converterA functional unit that uses a specified algorithm to translate a bit stream from one protocol to another, for interoperation.
Protocol Data UnitA unit of data specified in a protocol and consisting of protocol information and, possibly, user data.
protocol data unit (PDU)Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data. 2.
protocol discriminator (PD) fieldThe first octet of the packet header that identifies the protocol used to transport the frame. [T1.509-1995]
Protocol EntityEntity that follows a set of rules and formats (semantic and syntactic) that determines the communication behavior of other entities.
Protocol farmA collection of virtual servers that are used as the primary connection point for users in an organization.
protocol hierarchyIn open systems architecture, the distribution of network protocol among the various layers of the network. [From Weik '89]
Protocol RunAn instance of the exchange of messages between a claimant and a verifier in a defined authentication protocol that results in the authentication (or…
protocol translatorIn a communications system, the collection of hardware, software, firmware, or any combination of these, that is required or used to convert the protocols…
protocol-control informationThe queries and replies among communications equipment to determine the respective capabilities of each end of the communications link. 2.
protocormA tuberous structure, formed following the germination of orchid seeds, from which develops a complete plant.
ProtonA small, positively charged particle of matter found in the atoms of all elements.
proton beam radiation therapy(PROH-ton beem RAY-dee-AY-shun THAYR-uh-pee) A type of high-energy, external radiation therapy that uses streams of protons (small, positively charged…
Proton EventIn solar-terrestrial terms, the measurement of at least 10 protons/cm2/sec/steradian at energies greater than 10 MeV.
Proton FlareIn solar-terrestrial terms, any flare producing significant fluxes of greater-than-10 MeV protons in the vicinity of the earth.
proton magnetic resonance spectroscopic imaging(PROH-ton mag-NEH-tik REH-zoh-nants SPEK-troh-SKAH-pik IH-muh-jing) A noninvasive imaging method that provides information about cellular activity…
protoplasmThe essential, complex living substance of cells, upon which all vital functions of nutrition, secretion, growth and reproduction depend.
protoplastA bacterial or plant cell for which the cell wall has been removed either chemically or enzymatically, leaving its cytoplasm enveloped by a peripheral…
protoplast cultureThe culturing in vitro of plant protoplast s. Where protoplasts can be regenerated into whole plants, they represent an attractive target for genetic…
protoplast fusionThe induced or spontaneous coalescence of two or more protoplast s of the same or different species origin.
prototypeAn optional part of a "subroutine" declaration telling the Perl compiler how many and what flavor of arguments may be passed as "actual arguments", so…
protozoalHaving to do with the simplest organisms in the animal kingdom. Protozoa are single-cell organisms, such as ameba, and are different from bacteria, which…
ProtozoanSingle-celled organism that can perform all necessary functions of metabolism and reproduction.
Provisional ApplicationA type of U.S. utility patent application that is used to establish priority of invention. It need not contain a claim and cannot issue as a patent.
Provisional Ballot AffidavitThe provisional ballot affidavit is completed by a voter who is voting provisionally; the affidavit is a part of the provisional ballot envelope.
Provisional Ballot EnvelopeContains the provisional ballot affidavit and other required information, such as spaces for type and date of election, precinct number, the voter’s…
provisional patent applicationa provisional application for patent is a U. S. national application for patent filed in the USPTO under 35 U.S.C. § 111(b).
Provisional VotingProcess available to a person whose name does not appear on the list of registered voters and who does not present a valid voter registration certificate…
provisioned IOPSA storage option designed to deliver fast, predictable, and consistent I/O performance.
ProvisioningProvisioning is the act of putting a grid component into the active state so that it is available to a consumer of the service or resource it supplies.
proximalIn medicine, refers to a part of the body that is closer to the center of the body than another part. For example, the knee is proximal to the toes.
proximal toleranceThe minimum distance in ground units separating all point locations on the horizontal plane.
Proximate AnalysisA commonly used analysis for reporting fuel properties; may be on a dry (moisture free) basis, as "fired", or on an ash and moisture free basis.
Proximate causeThe last negligent act which contributes to an injury. A person generally is liable only if an injury was proximately caused by his or her action or by…
ProximityA measure of how close words are to one another. A page which has words near one another may be deemed to be more likely to satisfy a search query…
Proximity boostingDocuments that contain the query terms closer together are ranked higher than documents that contain these terms distributed throughout the document.
Proximity searchAn extension to Boolean searching, this technique checks the position of terms and only matches those within the specified distance.
Proxinium(prok-SIH-nee-um) A substance being studied in the treatment of certain types of head and neck cancer.
ProxyIf you own common stock in a US corporation, you have the right to vote on certain company policies and elect the board of directors by casting a proxy…
Proxy AgentA proxy agent is a software application running on a firewall or on a dedicated proxy server that is capable of filtering a protocol and routing it to…
proxy certificateA short lived certificate issued using a EEC. A proxy certificate typically has the same effective subject as the EEC that issued it and can thus be used…
proxy credentialsThe combination of a proxy certificate and its corresponding private key. GSI typically stores proxy credentials in /tmp/x509up_u<uid> , where <uid> is…
proxy modeThe default mode of operation for NetCache in which the cache serves all users who set up their browsers to use NetCache as their proxy.
proxy serverA server that receives requests intended for another server and that acts on the client's behalf (as the client's proxy) to obtain the requested service.
Proxy statementThe Securities and Exchange Commission (SEC) requires that all publicly traded companies provide a proxy statement to its shareholders prior to the annual…
proxy votingThe practice of allowing a Senator to cast a vote in committee for an absent Senator.
PS-341A drug used to treat multiple myeloma that has gotten worse during treatment with other anticancer drugs.
PSAA substance produced by the prostate. It may be found in higher levels in the blood of men who have prostate cancer, benign prostatic hyperplasia…
PSA bounceA brief rise and then fall in the blood level of PSA (prostate-specific antigen) that occurs in some patients 1-3 years after receiving radiation…
PSA failure(...FAYL-yer) A rise in the blood level of PSA (prostate-specific antigen) in prostate cancer patients after treatment with surgery or radiation.
PSD incrementsThe maximum increases in ambient pollution concentrations allowed over baseline concentrations for a pollutant while ensuring that an area continues to…
pseudo markA way of locating a word mark that is comprised of an alternative or intentionally corrupted spelling of an English word.
pseudo nodeA node where two, and only two, arcs intersect, or a single arc that connects with itself.
pseudo parameterA predefined setting, such as AWS:StackName that can be used in AWS CloudFormation templates without having to declare them.
pseudo-affinity chromatographyA chromatographic technique in which a ligand is immobilized selectively to retain enzymes or other protein s.
pseudo-autosomal regionA section at one end of the X and Y chromosomes for which there is sufficient homology that there is synapsis between them during meiosis.
Pseudo-Cold FrontA boundary between a supercell's inflow region and the rear-flank downdraft (or RFD).
Pseudo-Warm FrontA boundary between a supercell's inflow region and the forward-flank downdraft (or FFD).
pseudocarpA fruit that incorporates, in addition to the ovary wall, other parts of the flower, such as the receptacle (e.g. strawberry). Synonym: false fruit.
pseudofunctionA construct that sometimes looks like a function but really isn't. Usually reserved for "lvalue" modifiers like my, for "context" modifiers like scalar…
pseudogeneAn incomplete or mutated copy of a gene which is not transcribed because it lacks a continuous open reading frame.