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Questions and Answers
What is the primary function of plasma cells?
What is the primary function of plasma cells?
Which cell type is known as fat cells?
Which cell type is known as fat cells?
Which cell type is transient in nature?
Which cell type is transient in nature?
What do mast cells primarily contain that is associated with allergic reactions?
What do mast cells primarily contain that is associated with allergic reactions?
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From which cells do macrophages develop?
From which cells do macrophages develop?
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What is a significant role of fibroblasts?
What is a significant role of fibroblasts?
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Which component do mast cells contain to prevent blood coagulation?
Which component do mast cells contain to prevent blood coagulation?
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In which tissue are adipocytes most commonly found?
In which tissue are adipocytes most commonly found?
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Study Notes
Types of Connective Tissue Cells
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Plasma Cells
- Transient cells derived from B-lymphocytes (a type of white blood cell)
- Predominantly located in lymph nodes
- Vital for immunity as they produce and release specific antibodies into blood and tissues
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Adipocytes
- Fixed cells also referred to as fat cells
- Develop from fibroblast-like cells
- Distributed singly or in clusters within various connective tissues, especially adipose tissue
- Primary function is lipid storage
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Macrophages
- Fixed, large, irregularly shaped immune cells known as histiocytes
- Originates from white blood cells called monocytes
- Play a crucial role in the immune response by phagocytosing (engulfing) pathogens and foreign bodies
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Mast Cells
- Fixed cells derived from myeloid stem cells
- Found in loose connective tissues, including the liver, spleen, and around blood vessels
- Contain granules of heparin (anticoagulant) and histamine (involved in allergic reactions)
- Histamine contributes to bronchoconstriction and vasodilation, while heparin facilitates blood flow to sites of inflammation
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Fibroblasts
- Fixed large cells with irregular processes
- Derived from primitive mesenchyme, a type of embryonic tissue
- Present in nearly all body tissues
- Functions include producing a non-rigid extracellular matrix and secreting collagen and fibers (collagen, elastin, fibronectin)
- Actively involved in wound healing and the formation of granulation tissue after tissue injury
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Description
In this quiz, you will complete a table identifying different types of cells in connective tissue, categorizing them as fixed or transient. You'll also describe their functions and characteristics. Test your knowledge on the essential components of connective tissues!
