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  • Endospore

    A highly heat and chemical resistant dormant inclusion (spore) occurring within the substance of certain genera of bacteria, mainly Bacillus and Clostridium.
  • Endostatic

    An endogenous protein that blocks the proliferation of blood vessels.
  • Endothelial Cells

    A layer of flat cells that line the tumor blood vessel structure.
  • Endothermic

    A physical or chemical change that requires or is accompanied by the absorption of heat.
  • Endotoxin

    Cell wall debris (lypopolysaccharide) from Gram-negative bacteria.
  • Endotoxin

    A poisonous molecule in the form of a fat/sugar complex (lipopolysaccharide) that forms an integral part of the bacterial (gram-negative bacteria) cell wall and is only released when the integrity of the wall is disturbed and can cause septic shock and tissue damage. Certain organisms may release endotoxins (e.g. E. coli) during biosynthesis of a recombinant DNA product, thus necessitating purification steps to ensure their removal. In water treatment, it most often refers to pyrogens.
  • Endotoxins

    Cell wall debris (lipopolysaccharide) from Gram-negative bacteria.
  • Endotoxins

    Pyrogens from certain Gram negative bacteria. Generally highly toxic Lipopolysaccharide-protein complexes (fat, linked sugars, and protein) from cell walls. A marker for these bacteria with a reputation for persistent contamination because they tend to adhere to surfaces.(also see: Pyrogen)
  • Endotoxins

    Pyrogens from certain Gram negative bacteria. Generally highly toxic Lipopolysaccharide-protein complexes (fat, linked sugars, and protein) from cell walls. A marker for these bacteria with a reputation for persistent contamination because they tend to adhere to surfaces.
  • Endpoint Medication

    A medicinal product that is administered to a clinical trial participant to measure the effect of the IMP or other relevant clinical endpoint.
  • ENEC

    European Norms Electrical Certification
  • Engineering Change Management

    A process by which qualified individual(s) review proposed or actual engineering design changes for their cost and/or schedule impact on the project, approve or deny the requests, and manage their implementation. Engineering change management is good engineering practice, to effectively manage project execution and associated costs and schedules.
  • Engineering Change Management (ECM)

    (ASTM E2500) Prior to system or facility acceptance, changes managed by an approved through SMEs. Changes affecting Critical Aspects should be communicated to the Quality Unit.
  • Engineering Design Guidelines

    Templates, advisable designs and best practices whose project application is optional.
  • Engineering Specifications

    A legally binding, comprehensive, easy to follow set of instructions, statements and practices to procure materials and workmanship for building, installation and execution of engineering projects.
  • Engineering Standard

    Mandatory minimum requirements presented in a flexible format fitting the topic, that apply to new construction projects and improvements in design, construction, and testing. Engineering Standards represent value-added, cost-effective applications as well as efficient operation and maintenance practices.
  • Enhanced Design Review (EDR)

    A documented review of the engineering design, at an appropriate stage in a project, for conformance to operational and regulatory expectations.
  • Enhanced Design Review (EDR)

    A documented review of the design, at an appropriate stage in a project, for conformance to operational and regulatory expectations.
  • Enhanced Documentation

    Required for “Direct Impact” systems. Enhanced documentation may involve additional tests, documentation, QA change control and QA review and approval.
  • Enhanced Documentation

    Collection of Engineering, Quality Control, and Regulatory Affairs documents which will be required for the operation, validation, maintenance, and regulatory compliance of a pharmaceutical plant.
  • Enhanced Documentation

    Adds change control and validation to Good Engineering Practice.
  • Enhanced Documentation

    Required for “Direct Impact” Systems. A collection of documents that may involve additional tests, Quality Assurance change control, review, and approval.
  • Enhanced Small Device Interface (ESDI)

    A standard interface for hard disks introduced in 1983 which provides for faster data transfer compared to ST-506.
  • Enroll

    To consent to and enter a clinical trial.
  • ENs

    European Standards