Connective Tissue: Cells

by Geoffrey Meyer, PhD

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    So let's now move on and look at connective tissue cells. Remember, the three components of connective tissues are fibres, matrix and nerve cells. We will get in more detail and these cells are really derived from mesenchyme. Here is a very very what looks like a complicated diagram with some labels scattered all around. And I put this in this lecture to give you a challenge to make you look at it and try and decide by looking at the left-hand flow of cell differentiation that represents cells that are derived from mesenchyme. Look at that derivation of these cells as opposed to those on the right-hand side that are derived from blood. Remember I said early in the lecture, that the cells come under two categories. Those that are resident in connective tissue and those that wander in from the blood. So my challenge to you, is to have a look at the names of the cells down below and then find their location in one of the two differential pathways, either from mesenchyme or either from blood. And I think it is important that you do that yourself because that helps you understand where each of the cells actually come from and we'll revise through this as we go through this lecture and also as we look at blood later on. One of the main connective tissue cells that we should look at, is the fibroblast. It makes all the fibres, collagen, reticular fibres and elastic fibres. It also makes the components of the extracellular matrix. Up until now, I have used the term reticular fibre, but really reticular fibres are collagen fibres. They are collagen type III fibres. They are very fine fibres. They were already seen formed the framework of lymph nodes and other hemopoietic...

    About the Lecture

    The lecture Connective Tissue: Cells by Geoffrey Meyer, PhD is from the course Connective Tissue. It contains the following chapters:

    • Connective tissues cells
    • Macrophage
    • Mast cell and adipocyte
    • Adult stem cell niches, lymphocyte and plasma cell

    Included Quiz Questions

    1. type III collagen fibres
    2. type I collagen fibres
    3. type II collagen fibres
    4. type IV collagen fibres
    5. type V collagen fibres
    1. antibodies
    2. heparin
    3. histamine
    4. collagen
    5. lysosomes

    Author of lecture Connective Tissue: Cells

     Geoffrey Meyer, PhD

    Geoffrey Meyer, PhD

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