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Introduction to Cell Communication definitions

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  • Cell Communication
    Critical process allowing immune cells to coordinate responses against microbes and host cell damage through specific molecular interactions.
  • Immune System
    Body's defense network utilizing coordinated cellular actions to detect and respond to invading microbes and internal threats.
  • Surface Receptors
    Molecules on cell membranes that detect microbial signals or host cell damage, initiating immune responses.
  • Adhesion Molecules
    Cell surface structures enabling immune cells to bind and interact, facilitating communication and coordinated action.
  • Cytokines
    Signaling proteins released by immune cells to alert, activate, and coordinate other components of the immune response.
  • Scanning Systems
    Immune mechanisms acting as surveillance, detecting microbial presence and signs of cellular distress.
  • Innate Effectors
    Immune components acting as immediate responders, executing actions against detected threats.
  • Pattern Recognition Receptors
    Specialized molecules that identify common microbial features, triggering immune activation.
  • Complement System
    A cascade of proteins enhancing immune responses, often discussed after cell communication mechanisms.
  • Second Line Defenses
    Immune strategies beyond physical barriers, including scanning and effector systems for microbial detection and response.
  • Microbes
    Invading organisms detected and targeted by immune surveillance and response systems.
  • Host Cell Damage
    Cellular distress signals recognized by immune scanning systems, prompting defensive actions.
  • Innate Immunity
    Immediate, non-specific immune defense involving scanning and effector mechanisms.