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Glossary of Cellular Biology Terms
beginning with letter P
Browse the Cellular Biology Glossary
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phagocyte Tweet Definition of phagocyte Like Definition of phagocyte on Facebook
noun
  1. (cytology) A cell in the bloodstream, such as a white blood cell, that engulfs and destroys waste material, harmful microorganisms, or other foreign bodies.
phagocytize Tweet Definition of phagocytize Like Definition of phagocytize on Facebook
verb (phagocytizes, phagocytizing, phagocytized, phagocytized)
  1. (context, immunology, cytology, US) To ingest (something) by phagocytosis.
pigment Tweet Definition of pigment Like Definition of pigment on Facebook
noun
  1. (biology) Any color in plant or animal cells
  2. A dry colorant, usually an insoluble powder
verb
  1. (transitive) To add color or pigment to something.
plasma Tweet Definition of plasma Like Definition of plasma on Facebook
noun
  1. (physics) A state of matter consisting of fully ionized gas
    1. A clear component of blood or lymph containing fibrin
    2. blood plasma, Blood plasma, free of suspended cells, used in transfusions
platelet Tweet Definition of platelet Like Definition of platelet on Facebook
noun
  1. (cytology) A small colorless disk-shaped particle found in the blood of mammals, which plays an important role in the formation of blood clots.
polymorphonuclear Tweet Definition of polymorphonuclear Like Definition of polymorphonuclear on Facebook
noun
  1. Such a leucocyte; a neutrophil
adjective
  1. (context, of leucocytes) Having a nucleus with lobes of diverse shapes
polynuclear Tweet Definition of polynuclear Like Definition of polynuclear on Facebook
adjective
  1. (biology) having multiple nuclei
  2. (chemistry) polycyclic
prophase Tweet Definition of prophase Like Definition of prophase on Facebook
noun
  1. the first stage of mitosis, during which chromatin condenses to form the chromosomes
  2. the first stage of meiosis
protoplasm Tweet Definition of protoplasm Like Definition of protoplasm on Facebook
noun
  1. (cytology) The entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid, transparent substance which is the living matter of plant and animal cells.
protoplast Tweet Definition of protoplast Like Definition of protoplast on Facebook
noun
  1. a prototype or archetype
  1. (biology) the contents of a plant cell

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